diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index c82270b..ce7bd0a 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: 2024-02-11 23:19+0100\n"
+"POT-Creation-Date: 2024-02-12 22:29+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Emmy D'Anello <emmy.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -368,8 +368,8 @@ msgstr "Êtes-vous sûr·e de vouloir annuler le tirage au sort ?"
 msgid "Close"
 msgstr "Fermer"
 
-#: draw/views.py:31 participation/views.py:151 participation/views.py:440
-#: participation/views.py:471
+#: draw/views.py:31 participation/views.py:151 participation/views.py:438
+#: participation/views.py:469
 msgid "You are not in a team."
 msgstr "Vous n'êtes pas dans une équipe."
 
@@ -710,7 +710,7 @@ msgstr ""
 "L'équipe {trigram} n'a pas encore été validée par les organisateurices. "
 "Merci de patienter."
 
-#: participation/models.py:193 registration/models.py:481
+#: participation/models.py:193 registration/models.py:482
 msgid "Pending validation"
 msgstr "Validation en attente"
 
@@ -814,9 +814,9 @@ msgid ""
 "not paid yet are: {participants}.</p>"
 msgstr ""
 "<p>L'équipe {trigram} a {nb_missing_payments} paiements manquants. Chaque "
-"membre de l'équipe doit avoir un paiement valide (ou envoyer une notification "
-"de bourse) pour participer au tournoi.</p><p>Les participant⋅es qui n'ont pas "
-"encore payé sont : {participants}.</p>"
+"membre de l'équipe doit avoir un paiement valide (ou envoyer une "
+"notification de bourse) pour participer au tournoi.</p><p>Les participant⋅es "
+"qui n'ont pas encore payé sont : {participants}.</p>"
 
 #: participation/models.py:477
 msgid "Missing payments"
@@ -1088,10 +1088,9 @@ msgstr "Rejoindre"
 #: participation/templates/participation/team_detail.html:192
 #: participation/templates/participation/tournament_form.html:12
 #: participation/templates/participation/update_team.html:12
-#: registration/templates/registration/payment_form.html:49
 #: registration/templates/registration/update_user.html:16
-#: registration/templates/registration/user_detail.html:179
-#: registration/templates/registration/user_detail.html:216
+#: registration/templates/registration/user_detail.html:186
+#: registration/templates/registration/user_detail.html:223
 msgid "Update"
 msgstr "Modifier"
 
@@ -1157,11 +1156,11 @@ msgstr "Envoyer une solution"
 #: registration/templates/registration/upload_parental_authorization.html:17
 #: registration/templates/registration/upload_photo_authorization.html:18
 #: registration/templates/registration/upload_vaccine_sheet.html:13
-#: registration/templates/registration/user_detail.html:189
-#: registration/templates/registration/user_detail.html:194
-#: registration/templates/registration/user_detail.html:199
-#: registration/templates/registration/user_detail.html:204
-#: registration/templates/registration/user_detail.html:209
+#: registration/templates/registration/user_detail.html:196
+#: registration/templates/registration/user_detail.html:201
+#: registration/templates/registration/user_detail.html:206
+#: registration/templates/registration/user_detail.html:211
+#: registration/templates/registration/user_detail.html:216
 msgid "Upload"
 msgstr "Téléverser"
 
@@ -1499,7 +1498,7 @@ msgid "Invalidate"
 msgstr "Invalider"
 
 #: participation/templates/participation/team_detail.html:186
-#: participation/views.py:325
+#: participation/views.py:323
 msgid "Upload motivation letter"
 msgstr "Envoyer la lettre de motivation"
 
@@ -1508,7 +1507,7 @@ msgid "Update team"
 msgstr "Modifier l'équipe"
 
 #: participation/templates/participation/team_detail.html:196
-#: participation/views.py:434
+#: participation/views.py:432
 msgid "Leave team"
 msgstr "Quitter l'équipe"
 
@@ -1642,7 +1641,7 @@ msgstr "Vous êtes déjà dans une équipe."
 msgid "Join team"
 msgstr "Rejoindre une équipe"
 
-#: participation/views.py:152 participation/views.py:472
+#: participation/views.py:152 participation/views.py:470
 msgid "You don't participate, so you don't have any team."
 msgstr "Vous ne participez pas, vous n'avez donc pas d'équipe."
 
@@ -1678,95 +1677,95 @@ msgstr "Vous n'êtes pas un⋅e organisateur⋅rice du tournoi."
 msgid "This team has no pending validation."
 msgstr "L'équipe n'a pas de validation en attente."
 
-#: participation/views.py:268
+#: 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."
 
-#: participation/views.py:303
+#: participation/views.py:301
 #, python-brace-format
 msgid "Update team {trigram}"
 msgstr "Mise à jour de l'équipe {trigram}"
 
-#: participation/views.py:364 participation/views.py:420
+#: participation/views.py:362 participation/views.py:418
 #, python-brace-format
 msgid "Motivation letter of {team}.{ext}"
 msgstr "Lettre de motivation de {team}.{ext}"
 
-#: participation/views.py:395
+#: participation/views.py:393
 #, python-brace-format
 msgid "Photo authorization of {participant}.{ext}"
 msgstr "Autorisation de droit à l'image de {participant}.{ext}"
 
-#: participation/views.py:401
+#: participation/views.py:399
 #, python-brace-format
 msgid "Parental authorization of {participant}.{ext}"
 msgstr "Autorisation parentale de {participant}.{ext}"
 
-#: participation/views.py:408
+#: participation/views.py:406
 #, python-brace-format
 msgid "Health sheet of {participant}.{ext}"
 msgstr "Fiche sanitaire de {participant}.{ext}"
 
-#: participation/views.py:414
+#: participation/views.py:412
 #, python-brace-format
 msgid "Vaccine sheet of {participant}.{ext}"
 msgstr "Carnet de vaccination de {participant}.{ext}"
 
-#: participation/views.py:424
+#: participation/views.py:422
 #, python-brace-format
 msgid "Photo authorizations of team {trigram}.zip"
 msgstr "Autorisations de droit à l'image de l'équipe {trigram}.zip"
 
-#: participation/views.py:442
+#: participation/views.py:440
 msgid "The team is already validated or the validation is pending."
 msgstr "La validation de l'équipe est déjà faite ou en cours."
 
-#: participation/views.py:486
+#: participation/views.py:484
 msgid "The team is not validated yet."
 msgstr "L'équipe n'est pas encore validée."
 
-#: participation/views.py:500
+#: participation/views.py:498
 #, python-brace-format
 msgid "Participation of team {trigram}"
 msgstr "Participation de l'équipe {trigram}"
 
-#: participation/views.py:636
+#: participation/views.py:634
 msgid "You can't upload a solution after the deadline."
 msgstr "Vous ne pouvez pas envoyer de solution après la date limite."
 
-#: participation/views.py:744
+#: participation/views.py:742
 #, python-brace-format
 msgid "Solutions for pool {pool} of tournament {tournament}.zip"
 msgstr "Solutions pour la poule {pool} du tournoi {tournament}.zip"
 
-#: participation/views.py:745
+#: participation/views.py:743
 #, python-brace-format
 msgid "Syntheses for pool {pool} of tournament {tournament}.zip"
 msgstr "Notes de synthèses pour la poule {pool} du tournoi {tournament}.zip"
 
-#: participation/views.py:763
+#: participation/views.py:761
 #, python-brace-format
 msgid "Jurys of {pool}"
 msgstr "Juré⋅es de la {pool}"
 
-#: participation/views.py:790
+#: participation/views.py:788
 msgid "New TFJM² jury account"
 msgstr "Nouveau compte de juré⋅e pour le TFJM²"
 
-#: participation/views.py:803
+#: participation/views.py:801
 #, python-brace-format
 msgid "The jury {name} has been successfully added!"
 msgstr "{name} a été ajouté⋅e avec succès en tant que juré⋅e !"
 
-#: participation/views.py:840
+#: participation/views.py:838
 msgid "The following user is not registered as a jury:"
 msgstr "L'utilisateur⋅rice suivant n'est pas inscrit⋅e en tant que juré⋅e :"
 
-#: participation/views.py:854
+#: participation/views.py:852
 msgid "Notes were successfully uploaded."
 msgstr "Les notes ont bien été envoyées."
 
-#: participation/views.py:1518
+#: participation/views.py:1516
 msgid "You can't upload a synthesis after the deadline."
 msgstr "Vous ne pouvez pas envoyer de note de synthèse après la date limite."
 
@@ -1780,9 +1779,9 @@ msgstr "prénom"
 msgid "last name"
 msgstr "nom de famille"
 
-#: registration/admin.py:105
-msgid "registration type"
-msgstr "type d'inscription"
+#: registration/admin.py:106
+msgid "concerned people"
+msgstr "personnes concernées"
 
 #: registration/forms.py:22
 msgid "role"
@@ -1792,7 +1791,7 @@ msgstr "rôle"
 msgid "participant"
 msgstr "participant⋅e"
 
-#: registration/forms.py:25 registration/models.py:415
+#: registration/forms.py:25 registration/models.py:416
 msgid "coach"
 msgstr "encadrant⋅e"
 
@@ -1801,8 +1800,8 @@ msgid "Pending"
 msgstr "En attente"
 
 #: registration/forms.py:245
-msgid "You must upload your scholarship attestation."
-msgstr "Vous devez envoyer votre attestation de bourse."
+msgid "You must upload your receipt."
+msgstr "Vous devez envoyer votre justificatif."
 
 #: registration/models.py:36
 msgid "Grant Animath to contact me in the future about other actions"
@@ -1828,11 +1827,11 @@ msgstr ""
 "avez reçu par mail. Vous pouvez renvoyer un mail en cliquant sur <a "
 "href=\"{send_email_url}\">ce lien</a>."
 
-#: registration/models.py:118 registration/models.py:503
+#: registration/models.py:118
 msgid "registration"
 msgstr "inscription"
 
-#: registration/models.py:119
+#: registration/models.py:119 registration/models.py:503
 msgid "registrations"
 msgstr "inscriptions"
 
@@ -2027,7 +2026,7 @@ msgstr ""
 msgid "Vaccine sheet"
 msgstr "Carnet de vaccination"
 
-#: registration/models.py:368
+#: registration/models.py:369
 #, python-brace-format
 msgid ""
 "You have to pay {amount} € for your registration, or send a scholarship "
@@ -2038,27 +2037,27 @@ msgstr ""
 "notification de bourse ou un justificatif de paiement. Vous pouvez le faire "
 "sur <a href=\"{url}\">la page de paiement</a>."
 
-#: registration/models.py:374 registration/models.py:383
+#: registration/models.py:375 registration/models.py:384
 msgid "Payment"
 msgstr "Paiement"
 
-#: registration/models.py:380
+#: registration/models.py:381
 msgid "Your payment is under approval."
 msgstr "Votre paiement est en cours de validation."
 
-#: registration/models.py:392
+#: registration/models.py:393
 msgid "student registration"
 msgstr "inscription d'élève"
 
-#: registration/models.py:393
+#: registration/models.py:394
 msgid "student registrations"
 msgstr "inscriptions d'élève"
 
-#: registration/models.py:404
+#: registration/models.py:405
 msgid "most recent degree in mathematics, computer science or physics"
 msgstr "Dernier diplôme obtenu en mathématiques, informatique ou physique"
 
-#: registration/models.py:405
+#: registration/models.py:406
 msgid ""
 "Your most recent degree in maths, computer science or physics, or your last "
 "entrance exam (CAPES, Agrégation,…)"
@@ -2066,23 +2065,23 @@ msgstr ""
 "Votre dernier diplôme en mathématiques, informatique ou physique, ou votre "
 "dernier concours obtenu (CAPES, Agrégation, …)"
 
-#: registration/models.py:410 registration/models.py:432
+#: registration/models.py:411 registration/models.py:433
 msgid "professional activity"
 msgstr "activité professionnelle"
 
-#: registration/models.py:423
+#: registration/models.py:424
 msgid "coach registration"
 msgstr "inscription d'encadrant⋅e"
 
-#: registration/models.py:424
+#: registration/models.py:425
 msgid "coach registrations"
 msgstr "inscriptions d'encadrant⋅es"
 
-#: registration/models.py:436
+#: registration/models.py:437
 msgid "administrator"
 msgstr "administrateur⋅rice"
 
-#: registration/models.py:437
+#: registration/models.py:438
 msgid ""
 "An administrator has all rights. Please don't give this right to all juries "
 "and volunteers."
@@ -2090,15 +2089,15 @@ msgstr ""
 "Un⋅e administrateur⋅rice a tous les droits. Merci de ne pas donner ce droit "
 "à toustes les juré⋅es et bénévoles."
 
-#: registration/models.py:447
+#: registration/models.py:448
 msgid "admin"
 msgstr "admin"
 
-#: registration/models.py:447
+#: registration/models.py:448
 msgid "volunteer"
 msgstr "bénévole"
 
-#: registration/models.py:460
+#: registration/models.py:461
 msgid ""
 "Registrations for tournament {tournament} are closing on {date:%Y-%m-%d %H:"
 "%M}. There are for now {validated_teams} validated teams (+ {pending_teams} "
@@ -2108,11 +2107,11 @@ msgstr ""
 "%M}. Il y a pour l'instant {validated_teams} équipes validées (+ "
 "{pending_teams} en attente) sur {max_teams} attendues."
 
-#: registration/models.py:468
+#: registration/models.py:469
 msgid "Registrations"
 msgstr "Inscriptions"
 
-#: registration/models.py:475
+#: registration/models.py:476
 #, python-brace-format
 msgid ""
 "The team {trigram} requested to be validated for the tournament of "
@@ -2123,68 +2122,98 @@ msgstr ""
 "Vous pouvez vérifier le statut de l'équipe sur la <a href=\"{url}\">page de "
 "l'équipe</a>."
 
-#: registration/models.py:490
+#: registration/models.py:491
 msgid "volunteer registration"
 msgstr "inscription de bénévole"
 
-#: registration/models.py:491
+#: registration/models.py:492
 msgid "volunteer registrations"
 msgstr "inscriptions de bénévoles"
 
 #: registration/models.py:507
+msgid "grouped"
+msgstr "groupé"
+
+#: registration/models.py:509
+msgid ""
+"If set to true, then one payment is made for the full team, for example if "
+"the school pays for all."
+msgstr ""
+"Si vrai, alors un seul paiement est fait pour toute l'équipe, par exemple si "
+"le lycée paie pour tout le monde."
+
+#: registration/models.py:514
+msgid "total amount"
+msgstr "montant total"
+
+#: registration/models.py:515
+msgid "Corresponds to the total required amount to pay, in euros."
+msgstr "Correspond au montant total à payer, en euros."
+
+#: registration/models.py:520
+msgid "for final tournament"
+msgstr "pour la finale"
+
+#: registration/models.py:525
 msgid "type"
 msgstr "type"
 
-#: registration/models.py:510
+#: registration/models.py:528
 msgid "No payment"
 msgstr "Pas de paiement"
 
-#: registration/models.py:512
+#: registration/models.py:530
 msgid "Scholarship"
 msgstr "Notification de bourse"
 
-#: registration/models.py:513
+#: registration/models.py:531
 msgid "Bank transfer"
 msgstr "Virement bancaire"
 
-#: registration/models.py:514
+#: registration/models.py:532
 msgid "Other (please indicate)"
 msgstr "Autre (veuillez spécifier)"
 
-#: registration/models.py:515
+#: registration/models.py:533
 msgid "The tournament is free"
 msgstr "Le tournoi est gratuit"
 
-#: registration/models.py:522
-msgid "scholarship file"
-msgstr "Notification de bourse"
+#: registration/models.py:540
+msgid "Hello Asso checkout intent ID"
+msgstr "ID de l'intention de paiement Hello Asso"
 
-#: registration/models.py:523
-msgid "only if you have a scholarship."
-msgstr "Nécessaire seulement si vous déclarez être boursier."
+#: registration/models.py:547
+msgid "receipt"
+msgstr "justificatif"
 
-#: registration/models.py:530
+#: registration/models.py:548
+msgid "only if you have a scholarship or if you chose a bank transfer."
+msgstr ""
+"Nécessaire seulement si vous déclarez être boursièr⋅e ou si vous payez par "
+"virement bancaire."
+
+#: registration/models.py:555
 msgid "additional information"
 msgstr "informations additionnelles"
 
-#: registration/models.py:531
+#: registration/models.py:556
 msgid "To help us to find your payment."
 msgstr "Pour nous aider à retrouver votre paiement, si nécessaire."
 
-#: registration/models.py:537
+#: registration/models.py:562
 msgid "payment valid"
 msgstr "paiement valide"
 
-#: registration/models.py:546
+#: registration/models.py:571
 #, python-brace-format
-msgid "Payment of {registration}"
-msgstr "Paiement de {registration}"
+msgid "Payment of {registrations}"
+msgstr "Paiements de {registration}"
 
-#: registration/models.py:549
+#: registration/models.py:574
 msgid "payment"
 msgstr "paiement"
 
-#: registration/models.py:550
+#: registration/models.py:575
 msgid "payments"
 msgstr "paiements"
 
@@ -2349,56 +2378,6 @@ msgstr ""
 msgid "Reset my password"
 msgstr "Réinitialiser mon mot de passe"
 
-#: registration/templates/registration/payment_form.html:10
-#, python-format
-msgid ""
-"The price of the tournament is %(price)s €. The participation fee is offered "
-"for coaches and for students who have a scholarship. If so, please send us "
-"your scholarship attestation."
-msgstr ""
-"Le prix du tournoi est de %(price)s €. Les frais de participation sont "
-"offerts pour les encadrant⋅es et les élèves boursièr⋅es. Si c'est le cas, "
-"merci de nous transmettre votre notification de bourse."
-
-#: registration/templates/registration/payment_form.html:17
-msgid ""
-"You can pay with a credit card through <a class=\"alert-link\" "
-"href=\"https://www.helloasso.com/associations/animath/evenements/tfjm-2023-"
-"tournois-regionaux\">our Hello Asso page</a>. To make the validation of the "
-"payment easier, <span class=\"text-danger\">please use the same e-mail "
-"address that you use on this platform.</span> The payment verification will "
-"be checked automatically under 10 minutes, you don't necessary need to fill "
-"this form."
-msgstr ""
-"Vous pouvez payer par carte bancaire sur <a class=\"alert-link\" "
-"href=\"https://www.helloasso.com/associations/animath/evenements/tfjm-2023-"
-"tournois-regionaux\">notre page Hello Asso</a>. Pour rendre la validation du "
-"paiement plus facile, <span class=\"text-danger\">merci d'utiliser la même "
-"adresse e-mail que vous utilisez sur cette plateforme.</span> La "
-"vérification du paiement sera faite automatiquement sous 10 minutes, vous "
-"n'avez pas nécessairement besoin de remplir ce formulaire."
-
-#: registration/templates/registration/payment_form.html:27
-msgid ""
-"You can also send a bank transfer to the bank account of Animath. You must "
-"put in the reference of the transfer the mention \"TFJMpu\" followed by the "
-"last name and the first name of the student."
-msgstr ""
-"Vous pouvez également faire un virement bancaire sur le compte d'Animath. "
-"Vous devez alors mettre dans la référence du transfert la mention \"TFJMpu\" "
-"suivie du nom et du prénom de l'élève."
-
-#: registration/templates/registration/payment_form.html:39
-msgid ""
-"If any payment mean is available to you, please contact us at <a "
-"class=\"alert-link\" href=\"mailto:contact@tfjm.org\">contact@tfjm.org</a> "
-"to find a solution to your difficulties."
-msgstr ""
-"Si aucun moyen de paiement ne vous convient, merci de nous contecter à "
-"l'adresse <a class=\"alert-link\" href=\"mailto:contact@tfjm."
-"org\">contact@tfjm.org</a> pour que nous puissions trouver une solution à "
-"vos difficultés."
-
 #: registration/templates/registration/signup.html:5
 #: registration/templates/registration/signup.html:12
 #: registration/templates/registration/signup.html:19 registration/views.py:44
@@ -2533,49 +2512,53 @@ msgstr "Administrateur⋅rice :"
 msgid "Grant Animath to contact me in the future about other actions:"
 msgstr "Autorise Animath à recontacter à propos d'autres actions :"
 
-#: registration/templates/registration/user_detail.html:149
+#: registration/templates/registration/user_detail.html:150
 msgid "Payment information:"
 msgstr "Informations de paiement :"
 
-#: registration/templates/registration/user_detail.html:151
+#: registration/templates/registration/user_detail.html:152
 msgid "yes,no,pending"
 msgstr "oui,non,en attente"
 
-#: registration/templates/registration/user_detail.html:155
-#: registration/templates/registration/user_detail.html:158
+#: registration/templates/registration/user_detail.html:156
+#: registration/templates/registration/user_detail.html:159
 msgid "valid:"
 msgstr "valide :"
 
-#: registration/templates/registration/user_detail.html:162
-#: registration/templates/registration/user_detail.html:215
+#: registration/templates/registration/user_detail.html:163
+#: registration/templates/registration/user_detail.html:222
 msgid "Update payment"
 msgstr "Modifier le paiement"
 
-#: registration/templates/registration/user_detail.html:168
+#: registration/templates/registration/user_detail.html:171
 msgid "Download scholarship attestation"
 msgstr "Télécharger l'attestation de bourse"
 
-#: registration/templates/registration/user_detail.html:181
+#: registration/templates/registration/user_detail.html:173
+msgid "Download bank transfer receipt"
+msgstr "Télécharger le justificatif de virement bancaire"
+
+#: registration/templates/registration/user_detail.html:188
 msgid "Impersonate"
 msgstr "Impersonifier"
 
-#: registration/templates/registration/user_detail.html:188
+#: registration/templates/registration/user_detail.html:195
 #: registration/views.py:313
 msgid "Upload photo authorization"
 msgstr "Téléverser l'autorisation de droit à l'image"
 
-#: registration/templates/registration/user_detail.html:193
+#: registration/templates/registration/user_detail.html:200
 #: registration/views.py:334
 msgid "Upload health sheet"
 msgstr "Téléverser la fiche sanitaire"
 
-#: registration/templates/registration/user_detail.html:198
+#: registration/templates/registration/user_detail.html:205
 #: registration/views.py:355
 msgid "Upload vaccine sheet"
 msgstr "Téléverser le carnet de vaccination"
 
-#: registration/templates/registration/user_detail.html:203
-#: registration/templates/registration/user_detail.html:208
+#: registration/templates/registration/user_detail.html:210
+#: registration/templates/registration/user_detail.html:215
 #: registration/views.py:376
 msgid "Upload parental authorization"
 msgstr "Téléverser l'autorisation parentale"
@@ -2614,27 +2597,27 @@ msgstr "Détails de l'utilisateur⋅rice {user}"
 msgid "Update user {user}"
 msgstr "Mise à jour de l'utilisateur⋅rice {user}"
 
-#: registration/views.py:494
+#: registration/views.py:492
 #, python-brace-format
 msgid "Photo authorization of {student}.{ext}"
 msgstr "Autorisation de droit à l'image de {student}.{ext}"
 
-#: registration/views.py:517
+#: registration/views.py:515
 #, python-brace-format
 msgid "Health sheet of {student}.{ext}"
 msgstr "Fiche sanitaire de {student}.{ext}"
 
-#: registration/views.py:540
+#: registration/views.py:538
 #, python-brace-format
 msgid "Vaccine sheet of {student}.{ext}"
 msgstr "Carnet de vaccination de {student}.{ext}"
 
-#: registration/views.py:563
+#: registration/views.py:561
 #, python-brace-format
 msgid "Parental authorization of {student}.{ext}"
 msgstr "Autorisation parentale de {student}.{ext}"
 
-#: registration/views.py:585
+#: registration/views.py:583
 #, python-brace-format
 msgid "Scholarship attestation of {user}.{ext}"
 msgstr "Notification de bourse de {user}.{ext}"
diff --git a/participation/models.py b/participation/models.py
index ca983fd..9512010 100644
--- a/participation/models.py
+++ b/participation/models.py
@@ -14,7 +14,7 @@ from django.utils import timezone
 from django.utils.crypto import get_random_string
 from django.utils.text import format_lazy
 from django.utils.translation import gettext_lazy as _
-from registration.models import VolunteerRegistration, Payment
+from registration.models import Payment, VolunteerRegistration
 from tfjm.lists import get_sympa_client
 
 
@@ -465,14 +465,15 @@ class Participation(models.Model):
     def important_informations(self):
         informations = []
 
-        missing_payments = Payment.objects.filter(registration__in=self.team.participants.all(), valid=False)
+        missing_payments = Payment.objects.filter(registrations__in=self.team.participants.all(), valid=False)
         if missing_payments.exists():
             text = _("<p>The team {trigram} has {nb_missing_payments} missing payments. Each member of the team "
                      "must have a valid payment (or send a scholarship notification) "
                      "to participate to the tournament.</p>"
                      "<p>Participants that have not paid yet are: {participants}.</p>")
             content = format_lazy(text, trigram=self.team.trigram, nb_missing_payments=missing_payments.count(),
-                                  participants=", ".join(str(p.registration) for p in missing_payments.all()))
+                                  participants=", ".join(", ".join(str(r) for r in p.registrations.all())
+                                                         for p in missing_payments.all()))
             informations.append({
                 'title': _("Missing payments"),
                 'type': "danger",
diff --git a/participation/views.py b/participation/views.py
index ef86d41..5b2735d 100644
--- a/participation/views.py
+++ b/participation/views.py
@@ -30,7 +30,7 @@ from odf.opendocument import OpenDocumentSpreadsheet
 from odf.style import Style, TableCellProperties, TableColumnProperties, TextProperties
 from odf.table import CoveredTableCell, Table, TableCell, TableColumn, TableRow
 from odf.text import P
-from registration.models import StudentRegistration, VolunteerRegistration
+from registration.models import Payment, StudentRegistration, VolunteerRegistration
 from tfjm.lists import get_sympa_client
 from tfjm.views import AdminMixin, VolunteerMixin
 
@@ -246,16 +246,20 @@ class TeamDetailView(LoginRequiredMixin, FormMixin, ProcessFormView, DetailView)
             mail_html = render_to_string("participation/mails/team_validated.html", mail_context)
             send_mail("[TFJM²] Équipe validée", mail_plain, None, [self.object.email], html_message=mail_html)
 
-            if self.object.participation.tournament.price == 0:
-                for registration in self.object.participants.all():
-                    registration.payment.type = "free"
-                    registration.payment.valid = True
-                    registration.payment.save()
-            else:
-                for coach in self.object.coaches.all():
-                    coach.payment.type = "free"
-                    coach.payment.valid = True
-                    coach.payment.save()
+            for student in self.object.students.all():
+                payment_qs = Payment.objects.filter(registrations=student)
+                if payment_qs.exists():
+                    payment = payment_qs.get()
+                else:
+                    payment = Payment.objects.create()
+                    payment.registrations.add(student)
+                    payment.save()
+                payment.amount = self.object.participation.tournament.price
+                if payment.amount == 0:
+                    payment.type = "free"
+                    payment.valid = True
+                payment.save()
+
         elif "invalidate" in self.request.POST:
             self.object.participation.valid = None
             self.object.participation.save()
diff --git a/registration/admin.py b/registration/admin.py
index 0ac81ef..ec32bc3 100644
--- a/registration/admin.py
+++ b/registration/admin.py
@@ -97,11 +97,12 @@ class VolunteerRegistrationAdmin(PolymorphicChildModelAdmin):
 
 @admin.register(Payment)
 class PaymentAdmin(ModelAdmin):
-    list_display = ('registration', 'registration_type', 'type', 'valid', )
-    search_fields = ('registration__user__last_name', 'registration__user__first_name', 'registration__user__email',)
-    list_filter = ('registration__team__participation__valid', 'type', 'type', 'valid',)
-    autocomplete_fields = ('registration',)
+    list_display = ('id', 'concerned_people', 'grouped', 'type', 'valid', )
+    search_fields = ('registrations__user__last_name', 'registrations__user__first_name', 'registrations__user__email',)
+    list_filter = ('registrations__team__participation__valid', 'type',
+                   'grouped', 'valid', 'registrations__polymorphic_ctype',)
+    autocomplete_fields = ('registrations',)
 
-    @admin.display(description=_('registration type'), ordering='registration__polymorphic_ctype')
-    def registration_type(self, record: Payment):
-        return record.registration.get_real_instance().type
+    @admin.display(description=_('concerned people'))
+    def concerned_people(self, record: Payment):
+        return ", ".join(f"{reg.user.first_name} {reg.user.last_name}" for reg in record.registrations.all())
diff --git a/registration/apps.py b/registration/apps.py
index 9e5146f..4bf3921 100644
--- a/registration/apps.py
+++ b/registration/apps.py
@@ -12,11 +12,8 @@ class RegistrationConfig(AppConfig):
     name = 'registration'
 
     def ready(self):
-        from registration.signals import create_admin_registration, create_payment, \
+        from registration.signals import create_admin_registration, \
             set_username, send_email_link
         pre_save.connect(set_username, "auth.User")
         pre_save.connect(send_email_link, "auth.User")
         post_save.connect(create_admin_registration, "auth.User")
-        post_save.connect(create_payment, "registration.Registration")
-        post_save.connect(create_payment, "registration.StudentRegistration")
-        post_save.connect(create_payment, "registration.CoachRegistration")
diff --git a/registration/forms.py b/registration/forms.py
index 9fed38b..3d09225 100644
--- a/registration/forms.py
+++ b/registration/forms.py
@@ -227,25 +227,25 @@ class PaymentForm(forms.ModelForm):
         super().__init__(*args, **kwargs)
         self.fields["valid"].widget.choices[0] = ('unknown', _("Pending"))
 
-    def clean_scholarship_file(self):
+    def clean_receipt(self):
         print(self.files)
-        if "scholarship_file" in self.files:
-            file = self.files["scholarship_file"]
+        if "receipt" in self.files:
+            file = self.files["receipt"]
             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["scholarship_file"]
+            return self.cleaned_data["receipt"]
 
     def clean(self):
         cleaned_data = super().clean()
 
-        if "type" in cleaned_data and cleaned_data["type"] == "scholarship" \
-                and "scholarship_file" not in self.files and not self.instance.scholarship_file:
-            self.add_error("scholarship_file", _("You must upload your scholarship attestation."))
+        if "type" in cleaned_data and cleaned_data['type'] in ["scholarship", "bank_transfer"] \
+                and "receipt" not in self.files and not self.instance.scholarship_file:
+            self.add_error("receipt", _("You must upload your receipt."))
 
         return cleaned_data
 
     class Meta:
         model = Payment
-        fields = ('type', 'scholarship_file', 'additional_information', 'valid',)
+        fields = ('type', 'receipt', 'additional_information', 'valid',)
diff --git a/registration/migrations/0011_remove_payment_registration_and_more.py b/registration/migrations/0011_remove_payment_registration_and_more.py
new file mode 100644
index 0000000..6de8358
--- /dev/null
+++ b/registration/migrations/0011_remove_payment_registration_and_more.py
@@ -0,0 +1,76 @@
+# Generated by Django 5.0.1 on 2024-02-12 20:40
+
+import registration.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("registration", "0010_coachregistration_last_degree"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="payment",
+            name="registration",
+        ),
+        migrations.RemoveField(
+            model_name="payment",
+            name="scholarship_file",
+        ),
+        migrations.AddField(
+            model_name="payment",
+            name="amount",
+            field=models.PositiveSmallIntegerField(
+                default=0,
+                help_text="Corresponds to the total required amount to pay, in euros.",
+                verbose_name="total amount",
+            ),
+        ),
+        migrations.AddField(
+            model_name="payment",
+            name="checkout_intent_id",
+            field=models.IntegerField(
+                blank=True,
+                default=None,
+                null=True,
+                verbose_name="Hello Asso checkout intent ID",
+            ),
+        ),
+        migrations.AddField(
+            model_name="payment",
+            name="final",
+            field=models.BooleanField(
+                default=False, verbose_name="for final tournament"
+            ),
+        ),
+        migrations.AddField(
+            model_name="payment",
+            name="grouped",
+            field=models.BooleanField(
+                default=False,
+                help_text="If set to true, then one payment is made for the full team, for example if the school pays for all.",
+                verbose_name="grouped",
+            ),
+        ),
+        migrations.AddField(
+            model_name="payment",
+            name="receipt",
+            field=models.FileField(
+                blank=True,
+                default="",
+                help_text="only if you have a scholarship or if you chose a bank transfer.",
+                upload_to=registration.models.get_scholarship_filename,
+                verbose_name="receipt",
+            ),
+        ),
+        migrations.AddField(
+            model_name="payment",
+            name="registrations",
+            field=models.ManyToManyField(
+                related_name="payments",
+                to="registration.participantregistration",
+                verbose_name="registrations",
+            ),
+        ),
+    ]
diff --git a/registration/models.py b/registration/models.py
index cb34b32..87f95ee 100644
--- a/registration/models.py
+++ b/registration/models.py
@@ -364,27 +364,28 @@ class StudentRegistration(ParticipantRegistration):
                 })
 
         if self.team and self.team.participation.valid:
-            if self.payment.valid is False:
-                text = _("You have to pay {amount} € for your registration, or send a scholarship "
-                         "notification or a payment proof. "
-                         "You can do it on <a href=\"{url}\">the payment page</a>.")
-                url = reverse_lazy("registration:update_payment", args=(self.payment.id,))
-                content = format_lazy(text, amount=self.team.participation.tournament.price, url=url)
-                informations.append({
-                    'title': _("Payment"),
-                    'type': "danger",
-                    'priority': 3,
-                    'content': content,
-                })
-            elif self.payment.valid is None:
-                text = _("Your payment is under approval.")
-                content = text
-                informations.append({
-                    'title': _("Payment"),
-                    'type': "warning",
-                    'priority': 3,
-                    'content': content,
-                })
+            for payment in self.payments.all():
+                if payment.valid is False:
+                    text = _("You have to pay {amount} € for your registration, or send a scholarship "
+                             "notification or a payment proof. "
+                             "You can do it on <a href=\"{url}\">the payment page</a>.")
+                    url = reverse_lazy("registration:update_payment", args=(payment.id,))
+                    content = format_lazy(text, amount=payment.amount, url=url)
+                    informations.append({
+                        'title': _("Payment"),
+                        'type': "danger",
+                        'priority': 3,
+                        'content': content,
+                    })
+                elif self.payment.valid is None:
+                    text = _("Your payment is under approval.")
+                    content = text
+                    informations.append({
+                        'title': _("Payment"),
+                        'type': "warning",
+                        'priority': 3,
+                        'content': content,
+                    })
 
         return informations
 
@@ -496,11 +497,28 @@ def get_scholarship_filename(instance, filename):
 
 
 class Payment(models.Model):
-    registration = models.OneToOneField(
+    registrations = models.ManyToManyField(
         ParticipantRegistration,
-        on_delete=models.CASCADE,
-        related_name="payment",
-        verbose_name=_("registration"),
+        related_name="payments",
+        verbose_name=_("registrations"),
+    )
+
+    grouped = models.BooleanField(
+        verbose_name=_("grouped"),
+        default=False,
+        help_text=_("If set to true, then one payment is made for the full team, "
+                    "for example if the school pays for all."),
+    )
+
+    amount = models.PositiveSmallIntegerField(
+        verbose_name=_("total amount"),
+        help_text=_("Corresponds to the total required amount to pay, in euros."),
+        default=0,
+    )
+
+    final = models.BooleanField(
+        verbose_name=_("for final tournament"),
+        default=False,
     )
 
     type = models.CharField(
@@ -518,9 +536,16 @@ class Payment(models.Model):
         default="",
     )
 
-    scholarship_file = models.FileField(
-        verbose_name=_("scholarship file"),
-        help_text=_("only if you have a scholarship."),
+    checkout_intent_id = models.IntegerField(
+        verbose_name=_("Hello Asso checkout intent ID"),
+        blank=True,
+        null=True,
+        default=None,
+    )
+
+    receipt = models.FileField(
+        verbose_name=_("receipt"),
+        help_text=_("only if you have a scholarship or if you chose a bank transfer."),
         upload_to=get_scholarship_filename,
         blank=True,
         default="",
@@ -540,10 +565,10 @@ class Payment(models.Model):
     )
 
     def get_absolute_url(self):
-        return reverse_lazy("registration:user_detail", args=(self.registration.user.id,))
+        return reverse_lazy("registration:update_payment", args=(self.pk,))
 
     def __str__(self):
-        return _("Payment of {registration}").format(registration=self.registration)
+        return _("Payment of {registrations}").format(registrations=", ".join(map(str, self.registrations.all())))
 
     class Meta:
         verbose_name = _("payment")
diff --git a/registration/signals.py b/registration/signals.py
index eb11750..eda4107 100644
--- a/registration/signals.py
+++ b/registration/signals.py
@@ -4,7 +4,7 @@
 from django.contrib.auth.models import User
 from tfjm.lists import get_sympa_client
 
-from .models import Payment, Registration, VolunteerRegistration
+from .models import Registration, VolunteerRegistration
 
 
 def set_username(instance, **_):
@@ -41,16 +41,3 @@ def create_admin_registration(instance, **_):
     """
     if instance.is_superuser:
         VolunteerRegistration.objects.get_or_create(user=instance, admin=True)
-
-
-def create_payment(instance: Registration, raw, **_):
-    """
-    When a user is saved, create the associated payment.
-    For a free tournament, the payment is valid.
-    """
-    if instance.participates and not raw:
-        payment = Payment.objects.get_or_create(registration=instance)[0]
-        if instance.team and instance.team.participation.valid and instance.team.participation.tournament.price == 0:
-            payment.valid = True
-            payment.type = "free"
-            payment.save()
diff --git a/registration/templates/registration/user_detail.html b/registration/templates/registration/user_detail.html
index 1f740ac..05cec5a 100644
--- a/registration/templates/registration/user_detail.html
+++ b/registration/templates/registration/user_detail.html
@@ -143,35 +143,42 @@
         </dl>
 
         {% if user_object.registration.participates and user_object.registration.team.participation.valid %}
-            <hr>
-
-            <dl class="row">
-                <dt class="col-sm-6 text-end">{% trans "Payment information:" %}</dt>
-                <dd class="col-sm-6">
-                    {% trans "yes,no,pending" as yesnodefault %}
-                    {% with info=user_object.registration.payment.additional_information %}
-                        {% if info %}
-                            <abbr title="{{ info }}">
-                                {{ user_object.registration.payment.get_type_display }}, {% trans "valid:" %} {{ user_object.registration.payment.valid|yesno:yesnodefault }}
-                            </abbr>
-                        {% else %}
-                            {{ user_object.registration.payment.get_type_display }}, {% trans "valid:" %} {{ user_object.registration.payment.valid|yesno:yesnodefault }}
-                        {% endif %}
-                        {% if user.registration.is_admin or user_object.registration.payment.valid is False %}
-                            <button class="btn-sm btn-secondary" data-bs-toggle="modal" data-bs-target="#updatePaymentModal">
-                                <i class="fas fa-money-bill-wave"></i> {% trans "Update payment" %}
-                            </button>
-                        {% endif %}
-                        {% if user_object.registration.payment.type == "scholarship" %}
-                            {% if user.registration.is_admin or user == user_object %}
-                                <a href="{{ user_object.registration.payment.scholarship_file.url }}" class="btn btn-info">
-                                    <i class="fas fa-file-pdf"></i> {% trans "Download scholarship attestation" %}
+            {% for payment in user_object.registration.payments.all %}
+                <hr>
+    
+                <dl class="row">
+                    <dt class="col-sm-6 text-end">{% trans "Payment information:" %}</dt>
+                    <dd class="col-sm-6">
+                        {% trans "yes,no,pending" as yesnodefault %}
+                        {% with info=payment.additional_information %}
+                            {% if info %}
+                                <abbr title="{{ info }}">
+                                    {{ payment.get_type_display }}, {% trans "valid:" %} {{ payment.valid|yesno:yesnodefault }}
+                                </abbr>
+                            {% else %}
+                                {{ payment.get_type_display }}, {% trans "valid:" %} {{ payment.valid|yesno:yesnodefault }}
+                            {% endif %}
+                            {% if user.registration.is_admin or payment.valid is False %}
+                                <a href="{% url "registration:update_payment" pk=payment.pk %}" class="btn btn-secondary">
+                                    <i class="fas fa-money-bill-wave"></i> {% trans "Update payment" %}
                                 </a>
                             {% endif %}
-                        {% endif %}
-                    {% endwith %}
-                </dd>
-            </dl>
+                            {% if payment.type == "scholarship" or payment.type == "bank_transfer" %}
+                                {% if user.registration.is_admin or user == user_object %}
+                                    <a href="{{ payment.receipt.url }}" class="btn btn-info">
+                                        <i class="fas fa-file-pdf"></i>
+                                        {% if payment.type == "scholarship" %}
+                                            {% trans "Download scholarship attestation" %}
+                                        {% elif payment.type == "bank_transfer" %}
+                                            {% trans "Download bank transfer receipt" %}
+                                        {% endif %}
+                                    </a>
+                                {% endif %}
+                            {% endif %}
+                        {% endwith %}
+                    </dd>
+                </dl>
+            {% endfor %}
         {% endif %}
     </div>
     {% if user.pk == user_object.pk or user.registration.is_admin %}
@@ -210,13 +217,6 @@
         {% url "registration:upload_user_parental_authorization" pk=user_object.registration.pk as modal_action %}
         {% include "base_modal.html" with modal_id="uploadParentalAuthorization" modal_enctype="multipart/form-data" %}
     {% endif %}
-
-    {% if user_object.registration.team.participation.valid %}
-        {% trans "Update payment" as modal_title %}
-        {% trans "Update" as modal_button %}
-        {% url "registration:update_payment" pk=user_object.registration.payment.pk as modal_action %}
-        {% include "base_modal.html" with modal_id="updatePayment" modal_additional_class="modal-xl" modal_enctype="multipart/form-data" %}
-    {% endif %}
 {% endblock %}
 
 {% block extrajavascript %}
@@ -228,10 +228,6 @@
                 initModal("uploadVaccineSheet", "{% url "registration:upload_user_vaccine_sheet" pk=user_object.registration.pk %}")
                 initModal("uploadParentalAuthorization", "{% url "registration:upload_user_parental_authorization" pk=user_object.registration.pk %}")
             {% endif %}
-
-            {% if user_object.registration.team.participation.valid %}
-                initModal("updatePayment", "{% url "registration:update_payment" pk=user_object.registration.payment.pk %}")
-            {% endif %}
         });
     </script>
 {% endblock %}
diff --git a/registration/views.py b/registration/views.py
index 0ff5b36..f3ea53f 100644
--- a/registration/views.py
+++ b/registration/views.py
@@ -448,7 +448,7 @@ class PaymentUpdateView(LoginRequiredMixin, UpdateView):
     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 != self.get_object().registration.user
+                and (self.request.user.registration not in self.get_object().registrations.all()
                      or self.get_object().valid is not False):
             return self.handle_no_permission()
         return super().dispatch(request, *args, **kwargs)
@@ -464,8 +464,8 @@ class PaymentUpdateView(LoginRequiredMixin, UpdateView):
         if not self.request.user.registration.is_admin:
             form.instance.valid = None
         old_instance = Payment.objects.get(pk=self.object.pk)
-        if old_instance.scholarship_file:
-            old_instance.scholarship_file.delete()
+        if old_instance.receipt:
+            old_instance.receipt.delete()
             old_instance.save()
         return super().form_valid(form)
 
@@ -568,12 +568,12 @@ class ScholarshipView(LoginRequiredMixin, View):
     """
     def get(self, request, *args, **kwargs):
         filename = kwargs["filename"]
-        path = f"media/authorization/scholarship/{filename}"
+        path = f"media/authorization/receipt/{filename}"
         if not os.path.exists(path):
             raise Http404
-        payment = Payment.objects.get(scholarship_file__endswith=filename)
+        payment = Payment.objects.get(receipt__endswith=filename)
         user = request.user
-        if not (payment.registration.user == user or user.registration.is_admin):
+        if not (user.registration in payment.registrations or user.registration.is_admin):
             raise PermissionDenied
         # Guess mime type of the file
         mime = Magic(mime=True)