diff --git a/apps/participation/forms.py b/apps/participation/forms.py
index 02a8279..782cdc1 100644
--- a/apps/participation/forms.py
+++ b/apps/participation/forms.py
@@ -59,6 +59,21 @@ class ParticipationForm(forms.ModelForm):
         fields = ('tournament',)
 
 
+class MotivationLetterForm(forms.ModelForm):
+    def clean_file(self):
+        if "file" in self.files:
+            file = self.files["motivation_letter"]
+            if file.size > 2e6:
+                raise ValidationError(_("The uploaded file size must be under 2 Mo."))
+            if file.content_type not in ["application/pdf", "image/png", "image/jpeg"]:
+                raise ValidationError(_("The uploaded file must be a PDF, PNG of JPEG file."))
+            return self.cleaned_data["motivation_letter"]
+
+    class Meta:
+        model = Team
+        fields = ('motivation_letter',)
+
+
 class RequestValidationForm(forms.Form):
     """
     Form to ask about validation.
diff --git a/apps/participation/management/commands/fix_matrix_channels.py b/apps/participation/management/commands/fix_matrix_channels.py
index ee033d0..5b67eb1 100644
--- a/apps/participation/management/commands/fix_matrix_channels.py
+++ b/apps/participation/management/commands/fix_matrix_channels.py
@@ -22,14 +22,16 @@ class Command(BaseCommand):
             avatar_uri = "plop"
         else:  # pragma: no cover
             if not os.path.isfile(".matrix_avatar"):
-                stat_file = os.stat("tfjm/static/logo.png")
-                with open("tfjm/static/logo.png", "rb") as f:
-                    resp = Matrix.upload(f, filename="logo.png", content_type="image/png",
-                                         filesize=stat_file.st_size)[0][0]
-                avatar_uri = resp.content_uri
-                with open(".matrix_avatar", "w") as f:
-                    f.write(avatar_uri)
-                Matrix.set_avatar(avatar_uri)
+                avatar_uri = Matrix.get_avatar()
+                if not isinstance(avatar_uri, str):
+                    stat_file = os.stat("tfjm/static/logo.png")
+                    with open("tfjm/static/logo.png", "rb") as f:
+                        resp = Matrix.upload(f, filename="logo.png", content_type="image/png",
+                                             filesize=stat_file.st_size)[0][0]
+                    avatar_uri = resp.content_uri
+                    with open(".matrix_avatar", "w") as f:
+                        f.write(avatar_uri)
+                    Matrix.set_avatar(avatar_uri)
 
             with open(".matrix_avatar", "r") as f:
                 avatar_uri = f.read().rstrip(" \t\r\n")
diff --git a/apps/participation/migrations/0003_team_motivation_letter.py b/apps/participation/migrations/0003_team_motivation_letter.py
new file mode 100644
index 0000000..fb298af
--- /dev/null
+++ b/apps/participation/migrations/0003_team_motivation_letter.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.0.11 on 2021-01-22 08:15
+
+from django.db import migrations, models
+import participation.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('participation', '0002_auto_20210121_2206'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='team',
+            name='motivation_letter',
+            field=models.FileField(blank=True, default='', upload_to=participation.models.get_motivation_letter_filename, verbose_name='motivation letter'),
+        ),
+    ]
diff --git a/apps/participation/models.py b/apps/participation/models.py
index d19a0d6..912125b 100644
--- a/apps/participation/models.py
+++ b/apps/participation/models.py
@@ -20,6 +20,10 @@ from tfjm.lists import get_sympa_client
 from tfjm.matrix import Matrix, RoomPreset, RoomVisibility
 
 
+def get_motivation_letter_filename(instance, filename):
+    return f"authorization/motivation_letters/motivation_letter_{instance.trigram}"
+
+
 class Team(models.Model):
     """
     The Team model represents a real team that participates to the TFJM².
@@ -45,6 +49,13 @@ class Team(models.Model):
         help_text=_("The access code let other people to join the team."),
     )
 
+    motivation_letter = models.FileField(
+        verbose_name=_("motivation letter"),
+        upload_to=get_motivation_letter_filename,
+        blank=True,
+        default="",
+    )
+
     @property
     def students(self):
         return self.participants.filter(studentregistration__isnull=False)
diff --git a/apps/participation/templates/participation/team_detail.html b/apps/participation/templates/participation/team_detail.html
index 03dc45f..e3a7649 100644
--- a/apps/participation/templates/participation/team_detail.html
+++ b/apps/participation/templates/participation/team_detail.html
@@ -85,7 +85,25 @@
                     {% endif %}
                 {% endfor %}
             </dd>
+
+            <dt class="col-sm-6 text-right">{% trans "Motivation letter:" %}</dt>
+            <dd class="col-sm-6">
+                {% if team.motivation_letter %}
+                    <a href="{{ team.motivation_letter.url }}" data-turbolinks="false">{% trans "Download" %}</a>
+                {% else %}
+                    <em>{% trans "Not uploaded yet" %}</em>
+                {% endif %}
+                {% if user.registration.team == team and not user.registration.team.participation.valid or user.registration.is_admin %}
+                    <button class="btn btn-primary" data-toggle="modal" data-target="#uploadMotivationLetterModal">{% trans "Replace" %}</button>
+                {% endif %}
+            </dd>
         </dl>
+
+        <div class="text-center">
+            <a class="btn btn-info" href="{% url "participation:team_authorizations" pk=team.pk %}" data-turbolinks="false">
+                <i class="fas fa-file-archive"></i> {% trans "Download all authorizations" %}
+            </a>
+        </div>
     </div>
     <div class="card-footer text-center">
         <button class="btn btn-primary" data-toggle="modal" data-target="#updateTeamModal">{% trans "Update" %}</button>
@@ -146,6 +164,11 @@
         {% endif %}
     {% endif %}
 
+    {% trans "Upload motivation letter" as modal_title %}
+    {% trans "Upload" as modal_button %}
+    {% url "participation:upload_team_motivation_letter" pk=team.pk as modal_action %}
+    {% include "base_modal.html" with modal_id="uploadMotivationLetter" modal_enctype="multipart/form-data" %}
+
     {% trans "Update team" as modal_title %}
     {% trans "Update" as modal_button %}
     {% url "participation:update_team" pk=team.pk as modal_action %}
@@ -160,6 +183,11 @@
 {% block extrajavascript %}
     <script>
         $(document).ready(function() {
+            $('button[data-target="#uploadMotivationLetterModal"]').click(function() {
+                let modalBody = $("#uploadMotivationLetterModal div.modal-body");
+                if (!modalBody.html().trim())
+                    modalBody.load("{% url "participation:upload_team_motivation_letter" pk=team.pk %} #form-content");
+            });
             $('button[data-target="#updateTeamModal"]').click(function() {
                 let modalBody = $("#updateTeamModal div.modal-body");
                 if (!modalBody.html().trim())
diff --git a/apps/participation/templates/participation/upload_motivation_letter.html b/apps/participation/templates/participation/upload_motivation_letter.html
new file mode 100644
index 0000000..90ccd06
--- /dev/null
+++ b/apps/participation/templates/participation/upload_motivation_letter.html
@@ -0,0 +1,15 @@
+{% extends "base.html" %}
+
+{% load i18n static crispy_forms_filters %}
+
+{% block content %}
+    <a class="btn btn-info" href="{% url "participation:team_detail" pk=object.pk %}"><i class="fas fa-arrow-left"></i> {% trans "Back to the team detail" %}</a>
+    <hr>
+    <form method="post" enctype="multipart/form-data">
+        <div id="form-content">
+            {% csrf_token %}
+            {{ form|crispy }}
+        </div>
+        <button class="btn btn-success" type="submit">{% trans "Upload" %}</button>
+    </form>
+{% endblock %}
diff --git a/apps/participation/tests.py b/apps/participation/tests.py
index 597a2f0..d8047b9 100644
--- a/apps/participation/tests.py
+++ b/apps/participation/tests.py
@@ -288,6 +288,12 @@ class TestStudentParticipation(TestCase):
         self.user.registration.parental_authorization = "authorization/parental/ananas"
         self.user.registration.save()
 
+        resp = self.client.get(reverse("participation:team_detail", args=(self.team.pk,)))
+        self.assertEqual(resp.status_code, 200)
+        self.assertFalse(resp.context["can_validate"])
+
+        self.team.motivation_letter = "i_am_motivated.pdf"
+        self.team.save()
         resp = self.client.get(reverse("participation:team_detail", args=(self.team.pk,)))
         self.assertEqual(resp.status_code, 200)
         self.assertTrue(resp.context["can_validate"])
diff --git a/apps/participation/urls.py b/apps/participation/urls.py
index 8a4c289..e38a3f8 100644
--- a/apps/participation/urls.py
+++ b/apps/participation/urls.py
@@ -7,8 +7,8 @@ from django.views.generic import TemplateView
 from .views import CreateTeamView, JoinTeamView, MyParticipationDetailView, MyTeamDetailView, NoteUpdateView, \
     ParticipationDetailView, PassageCreateView, PassageDetailView, PassageUpdateView, PoolCreateView, PoolDetailView, \
     PoolUpdateTeamsView, PoolUpdateView, SolutionUploadView, SynthesisUploadView, TeamAuthorizationsView, \
-    TeamDetailView, TeamLeaveView, TeamListView, TeamUpdateView, TournamentCreateView, TournamentDetailView, \
-    TournamentListView, TournamentUpdateView
+    TeamDetailView, TeamLeaveView, TeamListView, TeamUpdateView, TeamUploadMotivationLetterView, TournamentCreateView, \
+    TournamentDetailView, TournamentListView, TournamentUpdateView
 
 
 app_name = "participation"
@@ -20,6 +20,8 @@ urlpatterns = [
     path("team/", MyTeamDetailView.as_view(), name="my_team_detail"),
     path("team/<int:pk>/", TeamDetailView.as_view(), name="team_detail"),
     path("team/<int:pk>/update/", TeamUpdateView.as_view(), name="update_team"),
+    path("team/<int:pk>/upload-motivation-letter/", TeamUploadMotivationLetterView.as_view(),
+         name="upload_team_motivation_letter"),
     path("team/<int:pk>/authorizations/", TeamAuthorizationsView.as_view(), name="team_authorizations"),
     path("team/leave/", TeamLeaveView.as_view(), name="team_leave"),
     path("detail/", MyParticipationDetailView.as_view(), name="my_participation_detail"),
diff --git a/apps/participation/views.py b/apps/participation/views.py
index 9e31f77..afafbc7 100644
--- a/apps/participation/views.py
+++ b/apps/participation/views.py
@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from io import BytesIO
+import os
 from zipfile import ZipFile
 
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -9,13 +10,13 @@ from django.contrib.sites.models import Site
 from django.core.exceptions import PermissionDenied
 from django.core.mail import send_mail
 from django.db import transaction
-from django.http import Http404, HttpResponse
+from django.http import FileResponse, Http404, HttpResponse
 from django.shortcuts import redirect
 from django.template.loader import render_to_string
 from django.urls import reverse_lazy
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import CreateView, DetailView, FormView, RedirectView, TemplateView, UpdateView
+from django.views.generic import CreateView, DetailView, FormView, RedirectView, TemplateView, UpdateView, View
 from django.views.generic.edit import FormMixin, ProcessFormView
 from django_tables2 import SingleTableView
 from magic import Magic
@@ -24,8 +25,9 @@ from tfjm.lists import get_sympa_client
 from tfjm.matrix import Matrix
 from tfjm.views import AdminMixin, VolunteerMixin
 
-from .forms import JoinTeamForm, NoteForm, ParticipationForm, PassageForm, PoolForm, PoolTeamsForm, \
-    RequestValidationForm, SolutionForm, SynthesisForm, TeamForm, TournamentForm, ValidateParticipationForm
+from .forms import JoinTeamForm, MotivationLetterForm, NoteForm, ParticipationForm, PassageForm, PoolForm, \
+    PoolTeamsForm, RequestValidationForm, SolutionForm, SynthesisForm, TeamForm, TournamentForm, \
+    ValidateParticipationForm
 from .models import Note, Participation, Passage, Pool, Solution, Synthesis, Team, Tournament
 from .tables import NoteTable, ParticipationTable, PassageTable, PoolTable, TeamTable, TournamentTable
 
@@ -178,7 +180,8 @@ class TeamDetailView(LoginRequiredMixin, FormMixin, ProcessFormView, DetailView)
             all(r.email_confirmed for r in team.students.all()) and \
             all(r.photo_authorization for r in team.participants.all()) and \
             all(r.health_sheet for r in team.students.all() if r.under_18) and \
-            all(r.parental_authorization for r in team.students.all() if r.under_18)
+            all(r.parental_authorization for r in team.students.all() if r.under_18) and \
+            team.motivation_letter
 
         return context
 
@@ -209,7 +212,7 @@ class TeamDetailView(LoginRequiredMixin, FormMixin, ProcessFormView, DetailView)
             return self.form_invalid(form)
         if not self.get_context_data()["can_validate"]:
             form.add_error(None, _("The team can't be validated: missing email address confirmations, "
-                                   "authorizations, people or the chosen problem is not set."))
+                                   "authorizations, people, motivation letter or the tournament is not set."))
             return self.form_invalid(form)
 
         self.object.participation.valid = False
@@ -304,6 +307,55 @@ class TeamUpdateView(LoginRequiredMixin, UpdateView):
         return super().form_valid(form)
 
 
+class TeamUploadMotivationLetterView(LoginRequiredMixin, UpdateView):
+    """
+    A team can send its motivation letter.
+    """
+    model = Team
+    form_class = MotivationLetterForm
+    template_name = "participation/upload_motivation_letter.html"
+    extra_context = dict(title=_("Upload motivation letter"))
+
+    def dispatch(self, request, *args, **kwargs):
+        if not self.request.user.is_authenticated or \
+                not self.request.user.registration.is_admin \
+                and self.request.user.registration.team != self.get_object():
+            return self.handle_no_permission()
+        return super().dispatch(request, *args, **kwargs)
+
+    @transaction.atomic
+    def form_valid(self, form):
+        old_instance = Team.objects.get(pk=self.object.pk)
+        if old_instance.motivation_letter:
+            old_instance.motivation_letter.delete()
+            old_instance.save()
+        return super().form_valid(form)
+
+
+class MotivationLetterView(LoginRequiredMixin, View):
+    """
+    Display the sent motivation letter.
+    """
+    def get(self, request, *args, **kwargs):
+        filename = kwargs["filename"]
+        path = f"media/authorization/motivation_letters/{filename}"
+        if not os.path.exists(path):
+            raise Http404
+        team = Team.objects.get(motivation_letter__endswith=filename)
+        user = request.user
+        if not (user.registration in team.participants.all() or user.registration.is_admin
+                or user.registration.is_volunteer
+                and team.participation.tournament in user.registration.organized_tournaments.all()):
+            raise PermissionDenied
+        # Guess mime type of the file
+        mime = Magic(mime=True)
+        mime_type = mime.from_file(path)
+        ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+        # Replace file name
+        true_file_name = _("Motivation letter of {team}.{ext}").format(team=str(team), ext=ext)
+        return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name)
+
+
 class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
     """
     Get as a ZIP archive all the authorizations that are sent
@@ -322,10 +374,10 @@ class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
 
     def get(self, request, *args, **kwargs):
         team = self.get_object()
+        magic = Magic(mime=True)
         output = BytesIO()
         zf = ZipFile(output, "w")
         for participant in team.participants.all():
-            magic = Magic(mime=True)
             if participant.photo_authorization:
                 mime_type = magic.from_file("media/" + participant.photo_authorization.name)
                 ext = mime_type.split("/")[1].replace("jpeg", "jpg")
@@ -344,6 +396,12 @@ class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
                 ext = mime_type.split("/")[1].replace("jpeg", "jpg")
                 zf.write("media/" + participant.health_sheet.name,
                          _("Health sheet of {participant}.{ext}").format(participant=str(participant), ext=ext))
+
+        if team.motivation_letter:
+            mime_type = magic.from_file("media/" + team.motivation_letter.name)
+            ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+            zf.write("media/" + team.motivation_letter.name,
+                     _("Motivation letter of {team}.{ext}").format(team=str(team), ext=ext))
         zf.close()
         response = HttpResponse(content_type="application/zip")
         response["Content-Disposition"] = "attachment; filename=\"{filename}\"" \
@@ -518,6 +576,7 @@ class SolutionUploadView(LoginRequiredMixin, FormView):
         # Drop previous solution if existing
         for sol in sol_qs.all():
             sol.file.delete()
+            sol.save()
             sol.delete()
         form_sol.participation = self.participation
         form_sol.final = self.participation.final
@@ -698,6 +757,7 @@ class SynthesisUploadView(LoginRequiredMixin, FormView):
         # Drop previous solution if existing
         for syn in syn_qs.all():
             syn.file.delete()
+            syn.save()
             syn.delete()
         form_syn.participation = self.participation
         form_syn.passage = self.passage
diff --git a/apps/registration/forms.py b/apps/registration/forms.py
index ac4650b..5f62398 100644
--- a/apps/registration/forms.py
+++ b/apps/registration/forms.py
@@ -100,7 +100,7 @@ class StudentRegistrationForm(forms.ModelForm):
     """
     class Meta:
         model = StudentRegistration
-        fields = ('team', 'student_class', 'birth_date', 'address', 'phone_number',
+        fields = ('team', 'student_class', 'birth_date', 'gender', 'address', 'phone_number',
                   'school', 'responsible_name', 'responsible_phone', 'responsible_email',
                   'give_contact_to_animath', 'email_confirmed',)
 
@@ -177,7 +177,7 @@ class CoachRegistrationForm(forms.ModelForm):
     """
     class Meta:
         model = CoachRegistration
-        fields = ('team', 'birth_date', 'address', 'phone_number', 'professional_activity',
+        fields = ('team', 'birth_date', 'gender', 'address', 'phone_number', 'professional_activity',
                   'give_contact_to_animath', 'email_confirmed',)
 
 
diff --git a/apps/registration/migrations/0002_participantregistration_gender.py b/apps/registration/migrations/0002_participantregistration_gender.py
new file mode 100644
index 0000000..0bf81fa
--- /dev/null
+++ b/apps/registration/migrations/0002_participantregistration_gender.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.0.11 on 2021-01-22 08:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('registration', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='participantregistration',
+            name='gender',
+            field=models.CharField(choices=[('female', 'Female'), ('male', 'Male'), ('other', 'Other')], default='other', max_length=6, verbose_name='gender'),
+        ),
+    ]
diff --git a/apps/registration/models.py b/apps/registration/models.py
index 4cf4416..3e12fce 100644
--- a/apps/registration/models.py
+++ b/apps/registration/models.py
@@ -128,6 +128,17 @@ class ParticipantRegistration(Registration):
         default=date.today,
     )
 
+    gender = models.CharField(
+        max_length=6,
+        verbose_name=_("gender"),
+        choices=[
+            ("female", _("Female")),
+            ("male", _("Male")),
+            ("other", _("Other")),
+        ],
+        default="other",
+    )
+
     address = AddressField(
         verbose_name=_("address"),
         null=True,
diff --git a/apps/registration/templates/registration/mails/add_organizer.html b/apps/registration/templates/registration/mails/add_organizer.html
index 37b1645..e33e667 100644
--- a/apps/registration/templates/registration/mails/add_organizer.html
+++ b/apps/registration/templates/registration/mails/add_organizer.html
@@ -13,7 +13,7 @@
 </p>
 
 <p>
-    Vous avez été invités par {{ inviter }} à rejoindre la plateforme du TFJM², accessible à l'adresse
+    Vous avez été invités par {{ inviter.registration }} à rejoindre la plateforme du TFJM², accessible à l'adresse
     <a href="https://{{ domain }}/">https://{{ domain }}/</a>. Vous disposez d'un compte d'organisateur.
 </p>
 
diff --git a/apps/registration/templates/registration/mails/add_organizer.txt b/apps/registration/templates/registration/mails/add_organizer.txt
index a8ba63e..19f91ec 100644
--- a/apps/registration/templates/registration/mails/add_organizer.txt
+++ b/apps/registration/templates/registration/mails/add_organizer.txt
@@ -2,7 +2,7 @@
 
 Bonjour {{ user.registration }},
 
-Vous avez été invités par {{ inviter }} à rejoindre la plateforme du TFJM², accessible à l'adresse
+Vous avez été invités par {{ inviter.registration }} à rejoindre la plateforme du TFJM², accessible à l'adresse
 https://{{ domain }}/. Vous disposez d'un compte d'organisateur.
 
 Un mot de passe aléatoire a été défini : {{ password }}.
diff --git a/apps/registration/templates/registration/user_detail.html b/apps/registration/templates/registration/user_detail.html
index cdc6017..04b29d1 100644
--- a/apps/registration/templates/registration/user_detail.html
+++ b/apps/registration/templates/registration/user_detail.html
@@ -16,7 +16,7 @@
 
             <dt class="col-sm-6 text-right">{% trans "First name:" %}</dt>
             <dd class="col-sm-6">{{ user_object.first_name }}</dd>
-
+StudentRegistrationForm(
             <dt class="col-sm-6 text-right">{% trans "Email:" %}</dt>
             <dd class="col-sm-6"><a href="mailto:{{ user_object.email }}">{{ user_object.email }}</a>
                 {% if not user_object.registration.email_confirmed %} (<em>{% trans "Not confirmed" %}, <a href="{% url "registration:email_validation_resend" pk=user_object.pk %}">{% trans "resend the validation link" %}</a></em>){% endif %}</dd>
@@ -42,6 +42,9 @@
                 <dt class="col-sm-6 text-right">{% trans "Birth date:" %}</dt>
                 <dd class="col-sm-6">{{ user_object.registration.birth_date }}</dd>
 
+                <dt class="col-sm-6 text-right">{% trans "Gender:" %}</dt>
+                <dd class="col-sm-6">{{ user_object.registration.get_gender_display }}</dd>
+
                 <dt class="col-sm-6 text-right">{% trans "Address:" %}</dt>
                 <dd class="col-sm-6">{{ user_object.registration.address }}</dd>
 
diff --git a/apps/registration/tests.py b/apps/registration/tests.py
index ffa7955..a788a85 100644
--- a/apps/registration/tests.py
+++ b/apps/registration/tests.py
@@ -130,6 +130,7 @@ class TestRegistration(TestCase):
             student_class=12,
             school="God",
             birth_date="2000-01-01",
+            gender="other",
             address="1 Rue de Rivoli, 75001 Paris, France",
             phone_number="0123456789",
             responsible_name="Toto",
@@ -153,6 +154,7 @@ class TestRegistration(TestCase):
             student_class=12,
             school="God",
             birth_date="2000-01-01",
+            gender="other",
             address="1 Rue de Rivoli, 75001 Paris, France",
             phone_number="0123456789",
             responsible_name="Toto",
@@ -173,6 +175,7 @@ class TestRegistration(TestCase):
             password2="azertyuiopazertyuiop",
             role="coach",
             birth_date="1980-01-01",
+            gender="other",
             address="1 Rue de Rivoli, 75001 Paris, France",
             phone_number="0123456789",
             professional_activity="God",
@@ -252,10 +255,10 @@ class TestRegistration(TestCase):
 
         for user, data in [(self.user, dict(role="Bot")),
                            (self.student, dict(student_class=11, school="Sky", birth_date="2001-01-01",
-                                               address="1 Rue de Rivoli, 75001 Paris, France", responsible_name="Toto",
-                                               responsible_email="toto@example.com")),
+                                               gender="female", address="1 Rue de Rivoli, 75001 Paris, France",
+                                               responsible_name="Toto", responsible_email="toto@example.com")),
                            (self.coach, dict(professional_activity="God", birth_date="2001-01-01",
-                                             address="1 Rue de Rivoli, 75001 Paris, France"))]:
+                                             gender="male", address="1 Rue de Rivoli, 75001 Paris, France"))]:
             response = self.client.get(reverse("registration:update_user", args=(user.pk,)))
             self.assertEqual(response.status_code, 200)
 
@@ -340,6 +343,7 @@ class TestRegistration(TestCase):
 
         self.student.registration.refresh_from_db()
         self.student.registration.photo_authorization.delete()
+        self.student.registration.save()
 
     def test_user_detail_forbidden(self):
         """
diff --git a/apps/registration/views.py b/apps/registration/views.py
index 60d7509..0610eee 100644
--- a/apps/registration/views.py
+++ b/apps/registration/views.py
@@ -329,6 +329,7 @@ class UserUploadPhotoAuthorizationView(UserMixin, UpdateView):
         old_instance = StudentRegistration.objects.get(pk=self.object.pk)
         if old_instance.photo_authorization:
             old_instance.photo_authorization.delete()
+            old_instance.save()
         return super().form_valid(form)
 
     def get_success_url(self):
@@ -355,6 +356,7 @@ class UserUploadHealthSheetView(UserMixin, UpdateView):
         old_instance = StudentRegistration.objects.get(pk=self.object.pk)
         if old_instance.health_sheet:
             old_instance.health_sheet.delete()
+            old_instance.save()
         return super().form_valid(form)
 
     def get_success_url(self):
@@ -381,6 +383,7 @@ class UserUploadParentalAuthorizationView(UserMixin, UpdateView):
         old_instance = StudentRegistration.objects.get(pk=self.object.pk)
         if old_instance.parental_authorization:
             old_instance.parental_authorization.delete()
+            old_instance.save()
         return super().form_valid(form)
 
     def get_success_url(self):
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index 794e7f3..fec210a 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: TFJM\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-01-21 22:34+0100\n"
+"POT-Creation-Date: 2021-01-22 09:43+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Yohann D'ANELLO <yohann.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -99,12 +99,12 @@ msgstr "changelogs"
 msgid "Changelog of type \"{action}\" for model {model} at {timestamp}"
 msgstr "Changelog de type \"{action}\" pour le modèle {model} le {timestamp}"
 
-#: apps/participation/admin.py:19 apps/participation/models.py:298
-#: apps/participation/tables.py:44 apps/registration/models.py:335
+#: apps/participation/admin.py:19 apps/participation/models.py:309
+#: apps/participation/tables.py:44 apps/registration/models.py:346
 msgid "valid"
 msgstr "valide"
 
-#: apps/participation/forms.py:23 apps/participation/models.py:37
+#: apps/participation/forms.py:23 apps/participation/models.py:41
 msgid "The trigram must be composed of three uppercase letters."
 msgstr "Le trigramme doit être composé de trois lettres majuscules."
 
@@ -112,321 +112,331 @@ msgstr "Le trigramme doit être composé de trois lettres majuscules."
 msgid "No team was found with this access code."
 msgstr "Aucune équipe n'a été trouvée avec ce code d'accès."
 
-#: apps/participation/forms.py:72
-msgid "I engage myself to participate to the whole TFJM²."
-msgstr "Je m'engage à participer à l'intégralité du TFJM²."
-
-#: apps/participation/forms.py:87
-msgid "Message to address to the team:"
-msgstr "Message à adresser à l'équipe :"
-
-#: apps/participation/forms.py:124
-msgid "The uploaded file size must be under 5 Mo."
-msgstr "Le fichier envoyé doit peser moins de 5 Mo."
-
-#: apps/participation/forms.py:126 apps/participation/forms.py:189
-msgid "The uploaded file must be a PDF file."
-msgstr "Le fichier envoyé doit être au format PDF."
-
-#: apps/participation/forms.py:130
-msgid "The PDF file must not have more than 30 pages."
-msgstr "Le fichier PDF ne doit pas avoir plus de 30 pages."
-
-#: apps/participation/forms.py:170
-msgid "The defender, the opponent and the reporter must be different."
-msgstr "Le défenseur, l'opposant et le rapporteur doivent être différents."
-
-#: apps/participation/forms.py:174
-msgid "This defender did not work on this problem."
-msgstr "Ce défenseur ne travaille pas sur ce problème."
-
-#: apps/participation/forms.py:187 apps/registration/forms.py:116
-#: apps/registration/forms.py:138 apps/registration/forms.py:160
-#: apps/registration/forms.py:214
+#: apps/participation/forms.py:67 apps/participation/forms.py:202
+#: apps/registration/forms.py:116 apps/registration/forms.py:138
+#: apps/registration/forms.py:160 apps/registration/forms.py:214
 msgid "The uploaded file size must be under 2 Mo."
 msgstr "Le fichier envoyé doit peser moins de 2 Mo."
 
-#: apps/participation/models.py:30 apps/participation/models.py:121
+#: apps/participation/forms.py:69 apps/registration/forms.py:118
+#: apps/registration/forms.py:140 apps/registration/forms.py:162
+#: apps/registration/forms.py:216
+msgid "The uploaded file must be a PDF, PNG of JPEG file."
+msgstr "Le fichier envoyé doit être au format PDF, PNG ou JPEG."
+
+#: apps/participation/forms.py:87
+msgid "I engage myself to participate to the whole TFJM²."
+msgstr "Je m'engage à participer à l'intégralité du TFJM²."
+
+#: apps/participation/forms.py:102
+msgid "Message to address to the team:"
+msgstr "Message à adresser à l'équipe :"
+
+#: apps/participation/forms.py:139
+msgid "The uploaded file size must be under 5 Mo."
+msgstr "Le fichier envoyé doit peser moins de 5 Mo."
+
+#: apps/participation/forms.py:141 apps/participation/forms.py:204
+msgid "The uploaded file must be a PDF file."
+msgstr "Le fichier envoyé doit être au format PDF."
+
+#: apps/participation/forms.py:145
+msgid "The PDF file must not have more than 30 pages."
+msgstr "Le fichier PDF ne doit pas avoir plus de 30 pages."
+
+#: apps/participation/forms.py:185
+msgid "The defender, the opponent and the reporter must be different."
+msgstr "Le défenseur, l'opposant et le rapporteur doivent être différents."
+
+#: apps/participation/forms.py:189
+msgid "This defender did not work on this problem."
+msgstr "Ce défenseur ne travaille pas sur ce problème."
+
+#: apps/participation/models.py:34 apps/participation/models.py:132
 #: apps/participation/tables.py:17 apps/participation/tables.py:34
 msgid "name"
 msgstr "nom"
 
-#: apps/participation/models.py:36 apps/participation/tables.py:39
+#: apps/participation/models.py:40 apps/participation/tables.py:39
 msgid "trigram"
 msgstr "trigramme"
 
-#: apps/participation/models.py:44
+#: apps/participation/models.py:48
 msgid "access code"
 msgstr "code d'accès"
 
-#: apps/participation/models.py:45
+#: apps/participation/models.py:49
 msgid "The access code let other people to join the team."
 msgstr "Le code d'accès permet aux autres participants de rejoindre l'équipe."
 
-#: apps/participation/models.py:108
+#: apps/participation/models.py:53
+msgid "motivation letter"
+msgstr "lettre de motivation"
+
+#: apps/participation/models.py:119
 #, python-brace-format
 msgid "Team {name} ({trigram})"
 msgstr "Équipe {name} ({trigram})"
 
-#: apps/participation/models.py:111 apps/participation/models.py:283
+#: apps/participation/models.py:122 apps/participation/models.py:294
 #: apps/registration/models.py:123
 msgid "team"
 msgstr "équipe"
 
-#: apps/participation/models.py:112 apps/participation/tables.py:84
+#: apps/participation/models.py:123 apps/participation/tables.py:84
 msgid "teams"
 msgstr "équipes"
 
-#: apps/participation/models.py:126
+#: apps/participation/models.py:137
 msgid "start"
 msgstr "début"
 
-#: apps/participation/models.py:131
+#: apps/participation/models.py:142
 msgid "end"
 msgstr "fin"
 
-#: apps/participation/models.py:136 apps/participation/models.py:390
+#: apps/participation/models.py:147 apps/participation/models.py:401
 #: apps/participation/templates/participation/tournament_detail.html:18
 msgid "place"
 msgstr "lieu"
 
-#: apps/participation/models.py:140
+#: apps/participation/models.py:151
 msgid "max team count"
 msgstr "nombre maximal d'équipes"
 
-#: apps/participation/models.py:145
+#: apps/participation/models.py:156
 #: apps/participation/templates/participation/tournament_detail.html:21
 msgid "price"
 msgstr "prix"
 
-#: apps/participation/models.py:150
+#: apps/participation/models.py:161
 msgid "limit date for registrations"
 msgstr "date limite d'inscription"
 
-#: apps/participation/models.py:155
+#: apps/participation/models.py:166
 msgid "limit date to upload solutions"
 msgstr "date limite pour envoyer les solutions"
 
-#: apps/participation/models.py:160
+#: apps/participation/models.py:171
 msgid "random draw for solutions"
 msgstr "tirage au sort des solutions"
 
-#: apps/participation/models.py:165
+#: apps/participation/models.py:176
 msgid "limit date to upload the syntheses for the first phase"
 msgstr "date limite pour envoyer les notes de synthèses pour la première phase"
 
-#: apps/participation/models.py:170
+#: apps/participation/models.py:181
 msgid "date when the solutions for the second round become available"
 msgstr "date à laquelle les solutions pour le second tour sont accessibles"
 
-#: apps/participation/models.py:175
+#: apps/participation/models.py:186
 msgid "limit date to upload the syntheses for the second phase"
 msgstr "date limite d'envoi des notes de synthèse pour la seconde phase"
 
-#: apps/participation/models.py:180
+#: apps/participation/models.py:191
 #: apps/participation/templates/participation/tournament_detail.html:45
 msgid "description"
 msgstr "description"
 
-#: apps/participation/models.py:186
+#: apps/participation/models.py:197
 #: apps/participation/templates/participation/tournament_detail.html:12
 msgid "organizers"
 msgstr "organisateurs"
 
-#: apps/participation/models.py:191
+#: apps/participation/models.py:202
 msgid "final"
 msgstr "finale"
 
-#: apps/participation/models.py:268 apps/participation/models.py:292
-#: apps/participation/models.py:324
+#: apps/participation/models.py:279 apps/participation/models.py:303
+#: apps/participation/models.py:335
 msgid "tournament"
 msgstr "tournoi"
 
-#: apps/participation/models.py:269
+#: apps/participation/models.py:280
 msgid "tournaments"
 msgstr "tournois"
 
-#: apps/participation/models.py:299
+#: apps/participation/models.py:310
 msgid "The participation got the validation of the organizers."
 msgstr "La participation a été validée par les organisateurs."
 
-#: apps/participation/models.py:304
+#: apps/participation/models.py:315
 msgid "selected for final"
 msgstr "sélectionnée pour la finale"
 
-#: apps/participation/models.py:305
+#: apps/participation/models.py:316
 msgid "The team is selected for the final tournament."
 msgstr "L'équipe est sélectionnée pour la finale."
 
-#: apps/participation/models.py:312
+#: apps/participation/models.py:323
 #, python-brace-format
 msgid "Participation of the team {name} ({trigram})"
 msgstr "Participation de l'équipe {name} ({trigram})"
 
-#: apps/participation/models.py:315 apps/participation/models.py:512
-#: apps/participation/models.py:550
+#: apps/participation/models.py:326 apps/participation/models.py:523
+#: apps/participation/models.py:561
 msgid "participation"
 msgstr "participation"
 
-#: apps/participation/models.py:316 apps/participation/models.py:338
+#: apps/participation/models.py:327 apps/participation/models.py:349
 msgid "participations"
 msgstr "participations"
 
-#: apps/participation/models.py:328
+#: apps/participation/models.py:339
 msgid "round"
 msgstr "tour"
 
-#: apps/participation/models.py:330 apps/participation/models.py:331
+#: apps/participation/models.py:341 apps/participation/models.py:342
 #, python-brace-format
 msgid "Round {round}"
 msgstr "Tour {round}"
 
-#: apps/participation/models.py:344
+#: apps/participation/models.py:355
 msgid "juries"
 msgstr "jurys"
 
-#: apps/participation/models.py:351
+#: apps/participation/models.py:362
 msgid "BigBlueButton code"
 msgstr "Code BigBlueButton"
 
-#: apps/participation/models.py:352
+#: apps/participation/models.py:363
 msgid "The code of the form xxx-xxx-xxx at the end of the BBB link."
 msgstr "Le code de la forme xxx-xxx-xxx à la fin du lien BBB."
 
-#: apps/participation/models.py:371
+#: apps/participation/models.py:382
 #, python-brace-format
 msgid "Pool {round} for tournament {tournament} with teams {teams}"
 msgstr "Poule {round} du tournoi {tournament} avec les équipes {teams}"
 
-#: apps/participation/models.py:377 apps/participation/models.py:385
+#: apps/participation/models.py:388 apps/participation/models.py:396
 msgid "pool"
 msgstr "poule"
 
-#: apps/participation/models.py:378
+#: apps/participation/models.py:389
 msgid "pools"
 msgstr "poules"
 
-#: apps/participation/models.py:392
+#: apps/participation/models.py:403
 msgid "Where the solution is presented?"
 msgstr "Où est-ce que les solutions sont défendues ?"
 
-#: apps/participation/models.py:397
+#: apps/participation/models.py:408
 msgid "defended solution"
 msgstr "solution défendue"
 
-#: apps/participation/models.py:399 apps/participation/models.py:519
+#: apps/participation/models.py:410 apps/participation/models.py:530
 #, python-brace-format
 msgid "Problem #{problem}"
 msgstr "Problème n°{problem}"
 
-#: apps/participation/models.py:406 apps/participation/tables.py:105
+#: apps/participation/models.py:417 apps/participation/tables.py:105
 msgid "defender"
 msgstr "défenseur"
 
-#: apps/participation/models.py:413 apps/participation/models.py:562
+#: apps/participation/models.py:424 apps/participation/models.py:573
 msgid "opponent"
 msgstr "opposant"
 
-#: apps/participation/models.py:420 apps/participation/models.py:563
+#: apps/participation/models.py:431 apps/participation/models.py:574
 msgid "reporter"
 msgstr "rapporteur"
 
-#: apps/participation/models.py:480 apps/participation/models.py:483
-#: apps/participation/models.py:486
+#: apps/participation/models.py:491 apps/participation/models.py:494
+#: apps/participation/models.py:497
 #, python-brace-format
 msgid "Team {trigram} is not registered in the pool."
 msgstr "L'équipe {trigram} n'est pas inscrite dans la poule."
 
-#: apps/participation/models.py:491
+#: apps/participation/models.py:502
 #, python-brace-format
 msgid "Passage of {defender} for problem {problem}"
 msgstr "Passage de {defender} pour le problème {problem}"
 
-#: apps/participation/models.py:495 apps/participation/models.py:557
-#: apps/participation/models.py:595
+#: apps/participation/models.py:506 apps/participation/models.py:568
+#: apps/participation/models.py:606
 msgid "passage"
 msgstr "passage"
 
-#: apps/participation/models.py:496
+#: apps/participation/models.py:507
 msgid "passages"
 msgstr "passages"
 
-#: apps/participation/models.py:517
+#: apps/participation/models.py:528
 msgid "problem"
 msgstr "numéro de problème"
 
-#: apps/participation/models.py:524
+#: apps/participation/models.py:535
 msgid "solution for the final tournament"
 msgstr "solution pour la finale"
 
-#: apps/participation/models.py:529 apps/participation/models.py:568
+#: apps/participation/models.py:540 apps/participation/models.py:579
 msgid "file"
 msgstr "fichier"
 
-#: apps/participation/models.py:537
+#: apps/participation/models.py:548
 #, python-brace-format
 msgid "Solution of team {team} for problem {problem}"
 msgstr "Solution de l'équipe {team} pour le problème {problem}"
 
-#: apps/participation/models.py:541
+#: apps/participation/models.py:552
 msgid "solution"
 msgstr "solution"
 
-#: apps/participation/models.py:542
+#: apps/participation/models.py:553
 msgid "solutions"
 msgstr "solutions"
 
-#: apps/participation/models.py:576
+#: apps/participation/models.py:587
 #, python-brace-format
 msgid "Synthesis for the {type} of the {passage}"
 msgstr "Synthèse pour {type} du {passage}"
 
-#: apps/participation/models.py:579
+#: apps/participation/models.py:590
 msgid "synthesis"
 msgstr "note de synthèse"
 
-#: apps/participation/models.py:580
+#: apps/participation/models.py:591
 msgid "syntheses"
 msgstr "notes de synthèse"
 
-#: apps/participation/models.py:588
+#: apps/participation/models.py:599
 msgid "jury"
 msgstr "jury"
 
-#: apps/participation/models.py:600
+#: apps/participation/models.py:611
 msgid "defender writing note"
 msgstr "note d'écrit du défenseur"
 
-#: apps/participation/models.py:606
+#: apps/participation/models.py:617
 msgid "defender oral note"
 msgstr "note d'oral du défenseur"
 
-#: apps/participation/models.py:612
+#: apps/participation/models.py:623
 msgid "opponent writing note"
 msgstr "note d'écrit de l'opposant"
 
-#: apps/participation/models.py:618
+#: apps/participation/models.py:629
 msgid "opponent oral note"
 msgstr "note d'oral de l'opposant"
 
-#: apps/participation/models.py:624
+#: apps/participation/models.py:635
 msgid "reporter writing note"
 msgstr "not d'écrit du rapporteur"
 
-#: apps/participation/models.py:630
+#: apps/participation/models.py:641
 msgid "reporter oral note"
 msgstr "note d'oral du rapporteur"
 
-#: apps/participation/models.py:639
+#: apps/participation/models.py:650
 #, python-brace-format
 msgid "Notes of {jury} for {passage}"
 msgstr "Notes de {jury} pour le {passage}"
 
-#: apps/participation/models.py:646
+#: apps/participation/models.py:657
 msgid "note"
 msgstr "note"
 
-#: apps/participation/models.py:647
+#: apps/participation/models.py:658
 msgid "notes"
 msgstr "notes"
 
@@ -507,15 +517,15 @@ msgstr "Rejoindre"
 #: apps/participation/templates/participation/pool_detail.html:55
 #: apps/participation/templates/participation/pool_detail.html:73
 #: apps/participation/templates/participation/pool_detail.html:78
-#: apps/participation/templates/participation/team_detail.html:91
-#: apps/participation/templates/participation/team_detail.html:150
+#: apps/participation/templates/participation/team_detail.html:109
+#: apps/participation/templates/participation/team_detail.html:173
 #: apps/participation/templates/participation/tournament_form.html:12
 #: apps/participation/templates/participation/update_team.html:12
 #: apps/registration/templates/registration/payment_form.html:49
 #: apps/registration/templates/registration/update_user.html:16
-#: apps/registration/templates/registration/user_detail.html:147
-#: apps/registration/templates/registration/user_detail.html:156
-#: apps/registration/templates/registration/user_detail.html:184
+#: apps/registration/templates/registration/user_detail.html:150
+#: apps/registration/templates/registration/user_detail.html:159
+#: apps/registration/templates/registration/user_detail.html:187
 msgid "Update"
 msgstr "Modifier"
 
@@ -564,15 +574,17 @@ msgstr "Envoyer une solution"
 
 #: apps/participation/templates/participation/participation_detail.html:50
 #: apps/participation/templates/participation/passage_detail.html:110
+#: apps/participation/templates/participation/team_detail.html:168
+#: apps/participation/templates/participation/upload_motivation_letter.html:13
 #: apps/participation/templates/participation/upload_solution.html:11
 #: apps/participation/templates/participation/upload_synthesis.html:11
 #: apps/registration/templates/registration/upload_health_sheet.html:17
 #: apps/registration/templates/registration/upload_parental_authorization.html:17
 #: apps/registration/templates/registration/upload_photo_authorization.html:18
-#: apps/registration/templates/registration/user_detail.html:162
-#: apps/registration/templates/registration/user_detail.html:167
-#: apps/registration/templates/registration/user_detail.html:172
-#: apps/registration/templates/registration/user_detail.html:177
+#: apps/registration/templates/registration/user_detail.html:165
+#: apps/registration/templates/registration/user_detail.html:170
+#: apps/registration/templates/registration/user_detail.html:175
+#: apps/registration/templates/registration/user_detail.html:180
 msgid "Upload"
 msgstr "Téléverser"
 
@@ -744,6 +756,7 @@ msgstr "Autorisations de droit à l'image :"
 #: apps/participation/templates/participation/team_detail.html:58
 #: apps/participation/templates/participation/team_detail.html:70
 #: apps/participation/templates/participation/team_detail.html:83
+#: apps/participation/templates/participation/team_detail.html:94
 msgid "Not uploaded yet"
 msgstr "Pas encore envoyée"
 
@@ -755,17 +768,41 @@ msgstr "Fiches sanitaires :"
 msgid "Parental authorizations:"
 msgstr "Autorisations parentales :"
 
-#: apps/participation/templates/participation/team_detail.html:93
-#: apps/participation/templates/participation/team_detail.html:155
+#: apps/participation/templates/participation/team_detail.html:89
+msgid "Motivation letter:"
+msgstr "Lettre de motivation :"
+
+#: apps/participation/templates/participation/team_detail.html:92
+#: apps/registration/templates/registration/upload_health_sheet.html:12
+#: apps/registration/templates/registration/upload_parental_authorization.html:12
+#: apps/registration/templates/registration/user_detail.html:57
+#: apps/registration/templates/registration/user_detail.html:70
+#: apps/registration/templates/registration/user_detail.html:80
+msgid "Download"
+msgstr "Télécharger"
+
+#: apps/participation/templates/participation/team_detail.html:97
+#: apps/registration/templates/registration/user_detail.html:60
+#: apps/registration/templates/registration/user_detail.html:73
+#: apps/registration/templates/registration/user_detail.html:83
+msgid "Replace"
+msgstr "Remplacer"
+
+#: apps/participation/templates/participation/team_detail.html:104
+msgid "Download all authorizations"
+msgstr "Télécharger toutes les authorisations"
+
+#: apps/participation/templates/participation/team_detail.html:111
+#: apps/participation/templates/participation/team_detail.html:178
 #: apps/participation/templates/participation/team_leave.html:11
 msgid "Leave"
 msgstr "Quitter"
 
-#: apps/participation/templates/participation/team_detail.html:103
+#: apps/participation/templates/participation/team_detail.html:121
 msgid "Access to team participation"
 msgstr "Accéder à la participation de l'équipe"
 
-#: apps/participation/templates/participation/team_detail.html:110
+#: apps/participation/templates/participation/team_detail.html:128
 msgid ""
 "Your team has at least 4 members and a coach and all authorizations were "
 "given: the team can be validated."
@@ -773,11 +810,11 @@ msgstr ""
 "Votre équipe contient au moins 4 personnes et un encadrant et toutes les "
 "autorisations ont été données : l'équipe peut être validée."
 
-#: apps/participation/templates/participation/team_detail.html:115
+#: apps/participation/templates/participation/team_detail.html:133
 msgid "Submit my team to validation"
 msgstr "Soumettre mon équipe à validation"
 
-#: apps/participation/templates/participation/team_detail.html:121
+#: apps/participation/templates/participation/team_detail.html:139
 msgid ""
 "Your team must be composed of 4 members and a coach and each member must "
 "upload their authorizations and confirm its email address."
@@ -785,15 +822,15 @@ msgstr ""
 "Votre équipe doit être composée de 4 membres et un encadrant et chaque "
 "membre doit envoyer ses autorisations et confirmé son adresse e-mail."
 
-#: apps/participation/templates/participation/team_detail.html:126
+#: apps/participation/templates/participation/team_detail.html:144
 msgid "This team didn't ask for validation yet."
 msgstr "L'équipe n'a pas encore demandé à être validée."
 
-#: apps/participation/templates/participation/team_detail.html:132
+#: apps/participation/templates/participation/team_detail.html:150
 msgid "Your validation is pending."
 msgstr "Votre validation est en attente."
 
-#: apps/participation/templates/participation/team_detail.html:136
+#: apps/participation/templates/participation/team_detail.html:154
 msgid ""
 "The team requested to be validated. You may now control the authorizations "
 "and confirm that they can participate."
@@ -801,20 +838,25 @@ msgstr ""
 "L'équipe a demandé à être validée. Vous pouvez désormais contrôler les "
 "différentes autorisations et confirmer qu'elle peut participer."
 
-#: apps/participation/templates/participation/team_detail.html:142
+#: apps/participation/templates/participation/team_detail.html:160
 msgid "Validate"
 msgstr "Valider"
 
-#: apps/participation/templates/participation/team_detail.html:143
+#: apps/participation/templates/participation/team_detail.html:161
 msgid "Invalidate"
 msgstr "Invalider"
 
-#: apps/participation/templates/participation/team_detail.html:149
+#: apps/participation/templates/participation/team_detail.html:167
+#: apps/participation/views.py:317
+msgid "Upload motivation letter"
+msgstr "Envoyer la lettre de motivation"
+
+#: apps/participation/templates/participation/team_detail.html:172
 msgid "Update team"
 msgstr "Modifier l'équipe"
 
-#: apps/participation/templates/participation/team_detail.html:154
-#: apps/participation/views.py:360
+#: apps/participation/templates/participation/team_detail.html:177
+#: apps/participation/views.py:418
 msgid "Leave team"
 msgstr "Quitter l'équipe"
 
@@ -914,112 +956,121 @@ msgstr "Tous les tournois"
 msgid "Add tournament"
 msgstr "Ajouter un tournoi"
 
-#: apps/participation/views.py:40 tfjm/templates/base.html:74
+#: apps/participation/templates/participation/upload_motivation_letter.html:6
+msgid "Back to the team detail"
+msgstr "Retour aux détails de l'utilisateur"
+
+#: apps/participation/views.py:42 tfjm/templates/base.html:74
 #: tfjm/templates/base.html:233
 msgid "Create team"
 msgstr "Créer une équipe"
 
-#: apps/participation/views.py:49 apps/participation/views.py:94
+#: apps/participation/views.py:51 apps/participation/views.py:96
 msgid "You don't participate, so you can't create a team."
 msgstr "Vous ne participez pas, vous ne pouvez pas créer d'équipe."
 
-#: apps/participation/views.py:51 apps/participation/views.py:96
+#: apps/participation/views.py:53 apps/participation/views.py:98
 msgid "You are already in a team."
 msgstr "Vous êtes déjà dans une équipe."
 
-#: apps/participation/views.py:85 tfjm/templates/base.html:79
+#: apps/participation/views.py:87 tfjm/templates/base.html:79
 #: tfjm/templates/base.html:228
 msgid "Join team"
 msgstr "Rejoindre une équipe"
 
-#: apps/participation/views.py:147 apps/participation/views.py:366
-#: apps/participation/views.py:399
+#: apps/participation/views.py:149 apps/participation/views.py:424
+#: apps/participation/views.py:457
 msgid "You are not in a team."
 msgstr "Vous n'êtes pas dans une équipe."
 
-#: apps/participation/views.py:148 apps/participation/views.py:400
+#: apps/participation/views.py:150 apps/participation/views.py:458
 msgid "You don't participate, so you don't have any team."
 msgstr "Vous ne participez pas, vous n'avez donc pas d'équipe."
 
-#: apps/participation/views.py:172
+#: apps/participation/views.py:174
 #, python-brace-format
 msgid "Detail of team {trigram}"
 msgstr "Détails de l'équipe {trigram}"
 
-#: apps/participation/views.py:205
+#: apps/participation/views.py:208
 msgid "You don't participate, so you can't request the validation of the team."
 msgstr ""
 "Vous ne participez pas, vous ne pouvez pas demander la validation de "
 "l'équipe."
 
-#: apps/participation/views.py:208
+#: apps/participation/views.py:211
 msgid "The validation of the team is already done or pending."
 msgstr "La validation de l'équipe est déjà faite ou en cours."
 
-#: apps/participation/views.py:211
+#: apps/participation/views.py:214
 msgid ""
 "The team can't be validated: missing email address confirmations, "
-"authorizations, people or the chosen problem is not set."
+"authorizations, people, motivation letter or the tournament is not set."
 msgstr ""
 "L'équipe ne peut pas être validée : il manque soit les confirmations "
-"d'adresse e-mail, soit une autorisation, soit des personnes soit le problème "
-"n'a pas été choisi."
+"d'adresse e-mail, soit une autorisation, soit des personnes, soit la lettre "
+"de motivation, soit le tournoi n'a pas été choisi."
 
-#: apps/participation/views.py:230
+#: apps/participation/views.py:233
 msgid "You are not an administrator."
 msgstr "Vous n'êtes pas administrateur."
 
-#: apps/participation/views.py:233
+#: apps/participation/views.py:236
 msgid "This team has no pending validation."
 msgstr "L'équipe n'a pas de validation en attente."
 
-#: apps/participation/views.py:263
+#: apps/participation/views.py:266
 msgid "You must specify if you validate the registration or not."
 msgstr "Vous devez spécifier si vous validez l'inscription ou non."
 
-#: apps/participation/views.py:294
+#: apps/participation/views.py:297
 #, python-brace-format
 msgid "Update team {trigram}"
 msgstr "Mise à jour de l'équipe {trigram}"
 
-#: apps/participation/views.py:333
+#: apps/participation/views.py:355 apps/participation/views.py:404
+#, python-brace-format
+msgid "Motivation letter of {team}.{ext}"
+msgstr "Lettre de motivation de {team}.{ext}"
+
+#: apps/participation/views.py:385
 #, python-brace-format
 msgid "Photo authorization of {participant}.{ext}"
 msgstr "Autorisation de droit à l'image de {participant}.{ext}"
 
-#: apps/participation/views.py:339
+#: apps/participation/views.py:391
 #, python-brace-format
 msgid "Parental authorization of {participant}.{ext}"
 msgstr "Autorisation parentale de {participant}.{ext}"
 
-#: apps/participation/views.py:346
+#: apps/participation/views.py:398
 #, python-brace-format
 msgid "Health sheet of {participant}.{ext}"
 msgstr "Fiche sanitaire de {participant}.{ext}"
 
-#: apps/participation/views.py:350
+#: apps/participation/views.py:408
 #, python-brace-format
 msgid "Photo authorizations of team {trigram}.zip"
 msgstr "Autorisations de droit à l'image de l'équipe {trigram}.zip"
 
-#: apps/participation/views.py:368
+#: apps/participation/views.py:426
 msgid "The team is already validated or the validation is pending."
 msgstr "La validation de l'équipe est déjà faite ou en cours."
 
-#: apps/participation/views.py:414
+#: apps/participation/views.py:472
 msgid "The team is not validated yet."
 msgstr "L'équipe n'est pas encore validée."
 
-#: apps/participation/views.py:426
+#: apps/participation/views.py:484
 #, python-brace-format
 msgid "Participation of team {trigram}"
 msgstr "Participation de l'équipe {trigram}"
 
-#: apps/participation/views.py:515
+#: apps/participation/views.py:573
 msgid "You can't upload a solution after the deadline."
 msgstr "Vous ne pouvez pas envoyer de solution après la date limite."
 
-#: apps/participation/views.py:695
+#: apps/participation/views.py:754
 msgid "You can't upload a synthesis after the deadline."
 msgstr "Vous ne pouvez pas envoyer de note de synthèse après la date limite."
 
@@ -1031,7 +1082,7 @@ msgstr "rôle"
 msgid "participant"
 msgstr "participant"
 
-#: apps/registration/forms.py:24 apps/registration/models.py:236
+#: apps/registration/forms.py:24 apps/registration/models.py:247
 msgid "coach"
 msgstr "encadrant"
 
@@ -1039,19 +1090,14 @@ msgstr "encadrant"
 msgid "This email address is already used."
 msgstr "Cette adresse e-mail est déjà utilisée."
 
-#: apps/registration/forms.py:55 apps/registration/models.py:262
+#: apps/registration/forms.py:55 apps/registration/models.py:273
 msgid "volunteer"
 msgstr "bénévole"
 
-#: apps/registration/forms.py:56 apps/registration/models.py:281
+#: apps/registration/forms.py:56 apps/registration/models.py:292
 msgid "admin"
 msgstr "admin"
 
-#: apps/registration/forms.py:118 apps/registration/forms.py:140
-#: apps/registration/forms.py:162 apps/registration/forms.py:216
-msgid "The uploaded file must be a PDF, PNG of JPEG file."
-msgstr "Le fichier envoyé doit être au format PDF, PNG ou JPEG."
-
 #: apps/registration/forms.py:208
 msgid "Pending"
 msgstr "En attente"
@@ -1073,7 +1119,7 @@ msgstr "email confirmé"
 msgid "Activate your TFJM² account"
 msgstr "Activez votre compte du TFJM²"
 
-#: apps/registration/models.py:99 apps/registration/models.py:302
+#: apps/registration/models.py:99 apps/registration/models.py:313
 msgid "registration"
 msgstr "inscription"
 
@@ -1085,140 +1131,156 @@ msgstr "inscriptions"
 msgid "birth date"
 msgstr "date de naissance"
 
-#: apps/registration/models.py:132
+#: apps/registration/models.py:133
+msgid "gender"
+msgstr "genre"
+
+#: apps/registration/models.py:135
+msgid "Female"
+msgstr "Femme"
+
+#: apps/registration/models.py:136
+msgid "Male"
+msgstr "Homme"
+
+#: apps/registration/models.py:137
+msgid "Other"
+msgstr "Autre"
+
+#: apps/registration/models.py:143
 msgid "address"
 msgstr "adresse"
 
-#: apps/registration/models.py:138
+#: apps/registration/models.py:149
 msgid "phone number"
 msgstr "numéro de téléphone"
 
-#: apps/registration/models.py:143
+#: apps/registration/models.py:154
 msgid "photo authorization"
 msgstr "autorisation de droit à l'image"
 
-#: apps/registration/models.py:169
+#: apps/registration/models.py:180
 msgid "12th grade"
 msgstr "Terminale"
 
-#: apps/registration/models.py:170
+#: apps/registration/models.py:181
 msgid "11th grade"
 msgstr "Première"
 
-#: apps/registration/models.py:171
+#: apps/registration/models.py:182
 msgid "10th grade or lower"
 msgstr "Seconde ou inférieur"
 
-#: apps/registration/models.py:173
+#: apps/registration/models.py:184
 msgid "student class"
 msgstr "classe"
 
-#: apps/registration/models.py:178
+#: apps/registration/models.py:189
 msgid "school"
 msgstr "école"
 
-#: apps/registration/models.py:183
+#: apps/registration/models.py:194
 msgid "responsible name"
 msgstr "nom du responsable légal"
 
-#: apps/registration/models.py:188
+#: apps/registration/models.py:199
 msgid "responsible phone number"
 msgstr "numéro de téléphone du responsable légal"
 
-#: apps/registration/models.py:193
+#: apps/registration/models.py:204
 msgid "responsible email address"
 msgstr "adresse e-mail du responsable légal"
 
-#: apps/registration/models.py:198
+#: apps/registration/models.py:209
 msgid "parental authorization"
 msgstr "autorisation parentale"
 
-#: apps/registration/models.py:205
+#: apps/registration/models.py:216
 msgid "health sheet"
 msgstr "fiche sanitaire"
 
-#: apps/registration/models.py:213
+#: apps/registration/models.py:224
 msgid "student"
 msgstr "étudiant"
 
-#: apps/registration/models.py:221
+#: apps/registration/models.py:232
 msgid "student registration"
 msgstr "inscription d'élève"
 
-#: apps/registration/models.py:222
+#: apps/registration/models.py:233
 msgid "student registrations"
 msgstr "inscriptions d'élève"
 
-#: apps/registration/models.py:231 apps/registration/models.py:253
+#: apps/registration/models.py:242 apps/registration/models.py:264
 msgid "professional activity"
 msgstr "activité professionnelle"
 
-#: apps/registration/models.py:244
+#: apps/registration/models.py:255
 msgid "coach registration"
 msgstr "inscription d'encadrant"
 
-#: apps/registration/models.py:245
+#: apps/registration/models.py:256
 msgid "coach registrations"
 msgstr "inscriptions d'encadrants"
 
-#: apps/registration/models.py:276
+#: apps/registration/models.py:287
 msgid "role of the administrator"
 msgstr "rôle de l'administrateur"
 
-#: apps/registration/models.py:289
+#: apps/registration/models.py:300
 msgid "admin registration"
 msgstr "inscription d'administrateur"
 
-#: apps/registration/models.py:290
+#: apps/registration/models.py:301
 msgid "admin registrations"
 msgstr "inscriptions d'administrateur"
 
-#: apps/registration/models.py:306
+#: apps/registration/models.py:317
 msgid "type"
 msgstr "type"
 
-#: apps/registration/models.py:309
+#: apps/registration/models.py:320
 msgid "No payment"
 msgstr "Pas de paiement"
 
-#: apps/registration/models.py:311
+#: apps/registration/models.py:322
 msgid "Scholarship"
 msgstr "Notification de bourse"
 
-#: apps/registration/models.py:312
+#: apps/registration/models.py:323
 msgid "Bank transfer"
 msgstr "Virement bancaire"
 
-#: apps/registration/models.py:313
+#: apps/registration/models.py:324
 msgid "The tournament is free"
 msgstr "Le tournoi est gratuit"
 
-#: apps/registration/models.py:320
+#: apps/registration/models.py:331
 msgid "scholarship file"
 msgstr "Notification de bourse"
 
-#: apps/registration/models.py:321
+#: apps/registration/models.py:332
 msgid "only if you have a scholarship."
 msgstr "Nécessaire seulement si vous déclarez être boursier."
 
-#: apps/registration/models.py:328
+#: apps/registration/models.py:339
 msgid "additional information"
 msgstr "informations additionnelles"
 
-#: apps/registration/models.py:329
+#: apps/registration/models.py:340
 msgid "To help us to find your payment."
 msgstr "Pour nous aider à retrouver votre paiement, si nécessaire."
 
-#: apps/registration/models.py:344
+#: apps/registration/models.py:355
 #, python-brace-format
 msgid "Payment of {registration}"
 msgstr "Paiement de {registration}"
 
-#: apps/registration/models.py:347
+#: apps/registration/models.py:358
 msgid "payment"
 msgstr "paiement"
 
-#: apps/registration/models.py:348
+#: apps/registration/models.py:359
 msgid "payments"
 msgstr "paiements"
 
@@ -1448,14 +1510,6 @@ msgstr "Retour aux détails de l'utilisateur"
 msgid "Health sheet template:"
 msgstr "Modèle de fiche sanitaire :"
 
-#: apps/registration/templates/registration/upload_health_sheet.html:12
-#: apps/registration/templates/registration/upload_parental_authorization.html:12
-#: apps/registration/templates/registration/user_detail.html:54
-#: apps/registration/templates/registration/user_detail.html:67
-#: apps/registration/templates/registration/user_detail.html:77
-msgid "Download"
-msgstr "Télécharger"
-
 #: apps/registration/templates/registration/upload_parental_authorization.html:11
 msgid "Authorization template:"
 msgstr "Modèles d'autorisation :"
@@ -1501,106 +1555,104 @@ msgid "Birth date:"
 msgstr "Date de naissance :"
 
 #: apps/registration/templates/registration/user_detail.html:45
+msgid "Gender:"
+msgstr "Genre :"
+
+#: apps/registration/templates/registration/user_detail.html:48
 msgid "Address:"
 msgstr "Adresse :"
 
-#: apps/registration/templates/registration/user_detail.html:48
+#: apps/registration/templates/registration/user_detail.html:51
 msgid "Phone number:"
 msgstr "Numéro de téléphone :"
 
-#: apps/registration/templates/registration/user_detail.html:51
+#: apps/registration/templates/registration/user_detail.html:54
 msgid "Photo authorization:"
 msgstr "Autorisation de droit à l'image"
 
-#: apps/registration/templates/registration/user_detail.html:57
-#: apps/registration/templates/registration/user_detail.html:70
-#: apps/registration/templates/registration/user_detail.html:80
-msgid "Replace"
-msgstr "Remplacer"
-
-#: apps/registration/templates/registration/user_detail.html:64
+#: apps/registration/templates/registration/user_detail.html:67
 msgid "Health sheet:"
 msgstr "Fiche sanitaire :"
 
-#: apps/registration/templates/registration/user_detail.html:74
+#: apps/registration/templates/registration/user_detail.html:77
 msgid "Parental authorization:"
 msgstr "Autorisation parentale :"
 
-#: apps/registration/templates/registration/user_detail.html:85
+#: apps/registration/templates/registration/user_detail.html:88
 msgid "Student class:"
 msgstr "Classe :"
 
-#: apps/registration/templates/registration/user_detail.html:88
+#: apps/registration/templates/registration/user_detail.html:91
 msgid "School:"
 msgstr "École :"
 
-#: apps/registration/templates/registration/user_detail.html:91
+#: apps/registration/templates/registration/user_detail.html:94
 msgid "Responsible name:"
 msgstr "Nom du responsable légal :"
 
-#: apps/registration/templates/registration/user_detail.html:94
+#: apps/registration/templates/registration/user_detail.html:97
 msgid "Responsible phone number:"
 msgstr "Numéro de téléphone du responsable légal :"
 
-#: apps/registration/templates/registration/user_detail.html:97
+#: apps/registration/templates/registration/user_detail.html:100
 msgid "Responsible email address:"
 msgstr "Adresse e-mail du responsable légal :"
 
-#: apps/registration/templates/registration/user_detail.html:102
+#: apps/registration/templates/registration/user_detail.html:105
 msgid "Role:"
 msgstr "Rôle :"
 
-#: apps/registration/templates/registration/user_detail.html:105
+#: apps/registration/templates/registration/user_detail.html:108
 msgid "Profesional activity:"
 msgstr "Activité professionnelle :"
 
-#: apps/registration/templates/registration/user_detail.html:109
+#: apps/registration/templates/registration/user_detail.html:112
 msgid "Grant Animath to contact me in the future about other actions:"
 msgstr "Autorise Animath à recontacter à propos d'autres actions :"
 
-#: apps/registration/templates/registration/user_detail.html:117
+#: apps/registration/templates/registration/user_detail.html:120
 msgid "Payment information:"
 msgstr "Informations de paiement :"
 
-#: apps/registration/templates/registration/user_detail.html:119
+#: apps/registration/templates/registration/user_detail.html:122
 msgid "yes,no,pending"
 msgstr "oui,non,en attente"
 
-#: apps/registration/templates/registration/user_detail.html:123
 #: apps/registration/templates/registration/user_detail.html:126
+#: apps/registration/templates/registration/user_detail.html:129
 msgid "valid:"
 msgstr "valide :"
 
-#: apps/registration/templates/registration/user_detail.html:130
-#: apps/registration/templates/registration/user_detail.html:183
+#: apps/registration/templates/registration/user_detail.html:133
+#: apps/registration/templates/registration/user_detail.html:186
 msgid "Update payment"
 msgstr "Modifier le paiement"
 
-#: apps/registration/templates/registration/user_detail.html:136
+#: apps/registration/templates/registration/user_detail.html:139
 msgid "Download scholarship attestation"
 msgstr "Télécharger l'attestation de bourse"
 
-#: apps/registration/templates/registration/user_detail.html:149
+#: apps/registration/templates/registration/user_detail.html:152
 msgid "Impersonate"
 msgstr "Impersonifier"
 
-#: apps/registration/templates/registration/user_detail.html:155
+#: apps/registration/templates/registration/user_detail.html:158
 msgid "Update user"
 msgstr "Modifier l'utilisateur"
 
-#: apps/registration/templates/registration/user_detail.html:161
-#: apps/registration/views.py:315
+#: apps/registration/templates/registration/user_detail.html:164
+#: apps/registration/views.py:319
 msgid "Upload photo authorization"
 msgstr "Téléverser l'autorisation de droit à l'image"
 
-#: apps/registration/templates/registration/user_detail.html:166
-#: apps/registration/views.py:341
+#: apps/registration/templates/registration/user_detail.html:169
+#: apps/registration/views.py:346
 msgid "Upload health sheet"
 msgstr "Téléverser la fiche sanitaire"
 
-#: apps/registration/templates/registration/user_detail.html:171
-#: apps/registration/templates/registration/user_detail.html:176
-#: apps/registration/views.py:367
+#: apps/registration/templates/registration/user_detail.html:174
+#: apps/registration/templates/registration/user_detail.html:179
+#: apps/registration/views.py:373
 msgid "Upload parental authorization"
 msgstr "Téléverser l'autorisation parentale"
 
@@ -1608,52 +1660,52 @@ msgstr "Téléverser l'autorisation parentale"
 msgid "New TFJM² organizer account"
 msgstr "Nouveau compte organisateur pour le TFJM²"
 
-#: apps/registration/views.py:149
+#: apps/registration/views.py:153
 msgid "Email validation"
 msgstr "Validation de l'adresse mail"
 
-#: apps/registration/views.py:151
+#: apps/registration/views.py:155
 msgid "Validate email"
 msgstr "Valider l'adresse mail"
 
-#: apps/registration/views.py:190
+#: apps/registration/views.py:194
 msgid "Email validation unsuccessful"
 msgstr "Échec de la validation de l'adresse mail"
 
-#: apps/registration/views.py:201
+#: apps/registration/views.py:205
 msgid "Email validation email sent"
 msgstr "Mail de confirmation de l'adresse mail envoyé"
 
-#: apps/registration/views.py:209
+#: apps/registration/views.py:213
 msgid "Resend email validation link"
 msgstr "Renvoyé le lien de validation de l'adresse mail"
 
-#: apps/registration/views.py:249
+#: apps/registration/views.py:253
 #, python-brace-format
 msgid "Detail of user {user}"
 msgstr "Détails de l'utilisateur {user}"
 
-#: apps/registration/views.py:279
+#: apps/registration/views.py:283
 #, python-brace-format
 msgid "Update user {user}"
 msgstr "Mise à jour de l'utilisateur {user}"
 
-#: apps/registration/views.py:476
+#: apps/registration/views.py:483
 #, python-brace-format
 msgid "Photo authorization of {student}.{ext}"
 msgstr "Autorisation de droit à l'image de {student}.{ext}"
 
-#: apps/registration/views.py:499
+#: apps/registration/views.py:506
 #, python-brace-format
 msgid "Health sheet of {student}.{ext}"
 msgstr "Fiche sanitaire de {student}.{ext}"
 
-#: apps/registration/views.py:522
+#: apps/registration/views.py:529
 #, python-brace-format
 msgid "Parental authorization of {student}.{ext}"
 msgstr "Autorisation parentale de {student}.{ext}"
 
-#: apps/registration/views.py:544
+#: apps/registration/views.py:551
 #, python-brace-format
 msgid "Scholarship attestation of {user}.{ext}"
 msgstr "Notification de bourse de {user}.{ext}"
diff --git a/tfjm/lists.py b/tfjm/lists.py
index 667d372..7fcfc72 100644
--- a/tfjm/lists.py
+++ b/tfjm/lists.py
@@ -9,7 +9,7 @@ _client = None
 def get_sympa_client():
     global _client
     if _client is None:
-        if os.getenv("SYMPA_PASSWORD", None) is not None:  # pragma: no cover
+        if os.getenv("SYMPA_PASSWORD", None):  # pragma: no cover
             from sympasoap import Client
             _client = Client("https://" + os.getenv("SYMPA_URL"))
             _client.login(os.getenv("SYMPA_EMAIL"), os.getenv("SYMPA_PASSWORD"))
diff --git a/tfjm/matrix.py b/tfjm/matrix.py
index 1a65311..20732d6 100644
--- a/tfjm/matrix.py
+++ b/tfjm/matrix.py
@@ -68,6 +68,16 @@ class Matrix:
         client = await cls._get_client()
         return await client.set_avatar(avatar_url)
 
+    @classmethod
+    @async_to_sync
+    async def get_avatar(cls):  # pragma: no cover
+        """
+        Set the display avatar of the bot account.
+        """
+        client = await cls._get_client()
+        resp = await client.get_avatar()
+        return resp.avatar_url if resp.status_code == 200 else resp
+
     @classmethod
     @async_to_sync
     async def upload(
diff --git a/tfjm/settings_prod.py b/tfjm/settings_prod.py
index ac9168b..c7cd466 100644
--- a/tfjm/settings_prod.py
+++ b/tfjm/settings_prod.py
@@ -20,8 +20,8 @@ EMAIL_PORT = os.getenv("SMTP_PORT")
 EMAIL_HOST_USER = os.getenv("SMTP_HOST_USER")
 EMAIL_HOST_PASSWORD = os.getenv("SMTP_HOST_PASSWORD")
 
-DEFAULT_FROM_EMAIL = os.getenv('FROM_EMAIL', 'Contact TFJM² <contact@tfjm.org>')
 SERVER_EMAIL = os.getenv('SERVER_EMAIL', 'contact@tfjm.org')
+DEFAULT_FROM_EMAIL = os.getenv('FROM_EMAIL', 'Contact TFJM²') + f" <{SERVER_EMAIL}>"
 
 # Security settings
 SECURE_CONTENT_TYPE_NOSNIFF = False
diff --git a/tfjm/urls.py b/tfjm/urls.py
index 00e1559..517c9e4 100644
--- a/tfjm/urls.py
+++ b/tfjm/urls.py
@@ -21,6 +21,7 @@ from django.contrib import admin
 from django.urls import include, path
 from django.views.defaults import bad_request, page_not_found, permission_denied, server_error
 from django.views.generic import TemplateView
+from participation.views import MotivationLetterView
 from registration.views import HealthSheetView, ParentalAuthorizationView, PhotoAuthorizationView, \
     ScholarshipView, SolutionView, SynthesisView
 
@@ -47,6 +48,8 @@ urlpatterns = [
          name='parental_authorization'),
     path('media/authorization/scholarship/<str:filename>/', ScholarshipView.as_view(),
          name='scholarship'),
+    path('media/authorization/motivation_letters/<str:filename>/', MotivationLetterView.as_view(),
+         name='scholarship'),
 
     path('media/solutions/<str:filename>/', SolutionView.as_view(),
          name='solution'),