diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6f52b1fe..b4bcb8a45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,13 +8,17 @@ and this project adheres to
 
 ## [Unreleased]
 
+## [2.9.0] - 2024-10-22
+
 ### Added
 
+- Add index on `template` field of the `CertificateDefinition` model
 - Add `appendix` field on `ContractDefinition` model
 - Allow to edit `appendix` `ContractDefinition` field through the back office
 
 ### Changed
 
+- Improve performance of the certificate client API endpoint
 - Make payment backend request timeout configurable
 
 ## [2.8.0] - 2024-10-16
@@ -31,7 +35,6 @@ and this project adheres to
   paid
 - Support of payment_schedule for certificate products
 - Display payment schedule in contract template
-- Add index on `template` field of the `CertificateDefinition` model
 
 ### Changed
 
@@ -46,8 +49,7 @@ and this project adheres to
   payments of installments that are in the past
 - Deprecated field `has_consent_to_terms` for `Order` model
 - Move signature fields before appendices in contract definition template
-- Update `handle_notification` signature backend to confirm signature 
-- Improve performance of the certificate client API endpoint
+- Update `handle_notification` signature backend to confirm signature
 
 ### Fixed
 
@@ -463,7 +465,8 @@ and this project adheres to
 - First working version serving sellable micro-credentials for multiple
   organizations synchronized to a remote catalog
 
-[unreleased]: https://github.com/openfun/joanie/compare/v2.8.0...main
+[unreleased]: https://github.com/openfun/joanie/compare/v2.9.0...main
+[2.9.0]: https://github.com/openfun/joanie/compare/v2.8.0...v2.9.0
 [2.8.0]: https://github.com/openfun/joanie/compare/v2.7.1...v2.8.0
 [2.7.1]: https://github.com/openfun/joanie/compare/v2.7.0...v2.7.1
 [2.7.0]: https://github.com/openfun/joanie/compare/v2.6.1...v2.7.0
diff --git a/arnold.yml b/arnold.yml
index c83ffe053..4f026c8ac 100644
--- a/arnold.yml
+++ b/arnold.yml
@@ -1,6 +1,6 @@
 # arnold.yml
 metadata:
   name: joanie
-  version: 2.8.0
+  version: 2.9.0
 source:
   path: src/tray
diff --git a/src/backend/locale/es_ES/LC_MESSAGES/django.mo b/src/backend/locale/es_ES/LC_MESSAGES/django.mo
index 853ad5e99..1fef410fe 100755
Binary files a/src/backend/locale/es_ES/LC_MESSAGES/django.mo and b/src/backend/locale/es_ES/LC_MESSAGES/django.mo differ
diff --git a/src/backend/locale/es_ES/LC_MESSAGES/django.po b/src/backend/locale/es_ES/LC_MESSAGES/django.po
index 690e4f567..d56c05787 100644
--- a/src/backend/locale/es_ES/LC_MESSAGES/django.po
+++ b/src/backend/locale/es_ES/LC_MESSAGES/django.po
@@ -2,8 +2,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: joanie\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-10-16 09:22+0000\n"
-"PO-Revision-Date: 2024-10-16 09:46\n"
+"POT-Creation-Date: 2024-10-22 13:22+0000\n"
+"PO-Revision-Date: 2024-10-22 13:29\n"
 "Last-Translator: \n"
 "Language-Team: Spanish\n"
 "Language: es_ES\n"
@@ -204,7 +204,7 @@ msgid "Enrollment"
 msgstr ""
 
 #: joanie/core/enums.py:37 joanie/core/enums.py:150
-#: joanie/core/models/certifications.py:116
+#: joanie/core/models/certifications.py:117
 #: joanie/core/templates/issuers/degree.html:27
 msgid "Certificate"
 msgstr ""
@@ -328,15 +328,15 @@ msgstr ""
 msgid "Refused"
 msgstr ""
 
-#: joanie/core/factories.py:1141 joanie/core/utils/contract_definition.py:101
+#: joanie/core/factories.py:1142 joanie/core/utils/contract_definition.py:101
 msgid "<COURSE_START_DATE>"
 msgstr ""
 
-#: joanie/core/factories.py:1146 joanie/core/utils/contract_definition.py:102
+#: joanie/core/factories.py:1147 joanie/core/utils/contract_definition.py:102
 msgid "<COURSE_END_DATE>"
 msgstr ""
 
-#: joanie/core/factories.py:1153
+#: joanie/core/factories.py:1154
 msgid "<EFFORT_DURATION>"
 msgstr ""
 
@@ -392,7 +392,7 @@ msgid_plural "%d products to synchronize."
 msgstr[0] ""
 msgstr[1] ""
 
-#: joanie/core/models/accounts.py:34 joanie/core/models/contracts.py:35
+#: joanie/core/models/accounts.py:34 joanie/core/models/contracts.py:36
 msgid "language"
 msgstr ""
 
@@ -453,7 +453,7 @@ msgstr ""
 msgid "owner"
 msgstr ""
 
-#: joanie/core/models/accounts.py:171 joanie/core/models/certifications.py:97
+#: joanie/core/models/accounts.py:171 joanie/core/models/certifications.py:98
 #: joanie/core/models/products.py:409
 msgid "organization"
 msgstr ""
@@ -495,7 +495,7 @@ msgid "level"
 msgstr ""
 
 #: joanie/core/models/activity_logs.py:74
-#: joanie/core/models/certifications.py:108 joanie/core/models/contracts.py:96
+#: joanie/core/models/certifications.py:109 joanie/core/models/contracts.py:103
 #: joanie/payment/models.py:74
 msgid "context"
 msgstr ""
@@ -565,37 +565,37 @@ msgstr ""
 msgid "template to generate pdf"
 msgstr ""
 
-#: joanie/core/models/certifications.py:46
-#: joanie/core/models/certifications.py:70
+#: joanie/core/models/certifications.py:47
+#: joanie/core/models/certifications.py:71
 msgid "Certificate definition"
 msgstr ""
 
-#: joanie/core/models/certifications.py:47
+#: joanie/core/models/certifications.py:48
 msgid "Certificate definitions"
 msgstr ""
 
-#: joanie/core/models/certifications.py:65
+#: joanie/core/models/certifications.py:66
 msgid "Date of issuance"
 msgstr ""
 
-#: joanie/core/models/certifications.py:82 joanie/core/models/contracts.py:86
+#: joanie/core/models/certifications.py:83 joanie/core/models/contracts.py:93
 #: joanie/core/models/products.py:1276 joanie/payment/models.py:54
 msgid "order"
 msgstr ""
 
-#: joanie/core/models/certifications.py:91 joanie/core/models/products.py:431
+#: joanie/core/models/certifications.py:92 joanie/core/models/products.py:431
 msgid "enrollment"
 msgstr ""
 
-#: joanie/core/models/certifications.py:102 joanie/core/models/contracts.py:46
+#: joanie/core/models/certifications.py:103 joanie/core/models/contracts.py:47
 msgid "images"
 msgstr ""
 
-#: joanie/core/models/certifications.py:109
+#: joanie/core/models/certifications.py:110
 msgid "Localized data that needs to be frozen on certificate creation"
 msgstr ""
 
-#: joanie/core/models/certifications.py:117
+#: joanie/core/models/certifications.py:118
 msgid "Certificates"
 msgstr ""
 
@@ -603,52 +603,56 @@ msgstr ""
 msgid "body"
 msgstr ""
 
-#: joanie/core/models/contracts.py:36
+#: joanie/core/models/contracts.py:32
+msgid "appendix"
+msgstr ""
+
+#: joanie/core/models/contracts.py:37
 msgid "Language of the contract definition"
 msgstr ""
 
-#: joanie/core/models/contracts.py:39
+#: joanie/core/models/contracts.py:40
 msgid "template name"
 msgstr ""
 
-#: joanie/core/models/contracts.py:54 joanie/core/models/contracts.py:79
+#: joanie/core/models/contracts.py:55 joanie/core/models/contracts.py:86
 #: joanie/core/models/products.py:105
 msgid "Contract definition"
 msgstr ""
 
-#: joanie/core/models/contracts.py:55
+#: joanie/core/models/contracts.py:56
 msgid "Contract definitions"
 msgstr ""
 
-#: joanie/core/models/contracts.py:98
+#: joanie/core/models/contracts.py:105
 msgid "Localized data snapshot on contract signature"
 msgstr ""
 
-#: joanie/core/models/contracts.py:108
+#: joanie/core/models/contracts.py:115
 msgid "Reference in the external signature backend"
 msgstr ""
 
-#: joanie/core/models/contracts.py:113
+#: joanie/core/models/contracts.py:120
 msgid "Date and time we send the contract to signature provider"
 msgstr ""
 
-#: joanie/core/models/contracts.py:121
+#: joanie/core/models/contracts.py:128
 msgid "Date and time of issuance"
 msgstr ""
 
-#: joanie/core/models/contracts.py:127
+#: joanie/core/models/contracts.py:134
 msgid "organization signatory"
 msgstr ""
 
-#: joanie/core/models/contracts.py:135
+#: joanie/core/models/contracts.py:142
 msgid "Date and time the organization signed the contract"
 msgstr ""
 
-#: joanie/core/models/contracts.py:143
+#: joanie/core/models/contracts.py:150
 msgid "Contract"
 msgstr ""
 
-#: joanie/core/models/contracts.py:144
+#: joanie/core/models/contracts.py:151
 msgid "Contracts"
 msgstr ""
 
@@ -1343,7 +1347,7 @@ msgstr ""
 msgid "Appendices"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:144
+#: joanie/core/templates/issuers/contract_definition.html:147
 #: joanie/core/templates/mail/html/installment_paid.html:259
 #: joanie/core/templates/mail/html/installment_refused.html:235
 #: joanie/core/templates/mail/html/installment_reminder.html:235
@@ -1355,19 +1359,19 @@ msgstr ""
 msgid "Payment schedule"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:148
+#: joanie/core/templates/issuers/contract_definition.html:151
 msgid "Due date"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:149
+#: joanie/core/templates/issuers/contract_definition.html:152
 msgid "Amount"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:155
+#: joanie/core/templates/issuers/contract_definition.html:158
 msgid "Total :"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:173
+#: joanie/core/templates/issuers/contract_definition.html:176
 msgid "Catalog syllabus"
 msgstr ""
 
@@ -1789,14 +1793,18 @@ msgid "<STUDENT_PHONE_NUMBER>"
 msgstr ""
 
 #: joanie/core/utils/contract_definition.py:112
-msgid "<CONTRACT_BODY>"
+msgid "&lt;CONTRACT_BODY&gt;"
 msgstr ""
 
 #: joanie/core/utils/contract_definition.py:113
-msgid "<CONTRACT_TITLE>"
+msgid "&lt;CONTRACT_APPENDIX&gt;"
 msgstr ""
 
 #: joanie/core/utils/contract_definition.py:114
+msgid "<CONTRACT_TITLE>"
+msgstr ""
+
+#: joanie/core/utils/contract_definition.py:115
 msgid "<CONTRACT_DESCRIPTION>"
 msgstr ""
 
diff --git a/src/backend/locale/fr_CA/LC_MESSAGES/django.mo b/src/backend/locale/fr_CA/LC_MESSAGES/django.mo
index 4fea18224..216aae43a 100755
Binary files a/src/backend/locale/fr_CA/LC_MESSAGES/django.mo and b/src/backend/locale/fr_CA/LC_MESSAGES/django.mo differ
diff --git a/src/backend/locale/fr_CA/LC_MESSAGES/django.po b/src/backend/locale/fr_CA/LC_MESSAGES/django.po
index 0a64cb0a6..9493c9960 100644
--- a/src/backend/locale/fr_CA/LC_MESSAGES/django.po
+++ b/src/backend/locale/fr_CA/LC_MESSAGES/django.po
@@ -2,8 +2,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: joanie\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-10-16 09:22+0000\n"
-"PO-Revision-Date: 2024-10-16 09:46\n"
+"POT-Creation-Date: 2024-10-22 13:22+0000\n"
+"PO-Revision-Date: 2024-10-22 13:29\n"
 "Last-Translator: \n"
 "Language-Team: French, Canada\n"
 "Language: fr_CA\n"
@@ -204,7 +204,7 @@ msgid "Enrollment"
 msgstr ""
 
 #: joanie/core/enums.py:37 joanie/core/enums.py:150
-#: joanie/core/models/certifications.py:116
+#: joanie/core/models/certifications.py:117
 #: joanie/core/templates/issuers/degree.html:27
 msgid "Certificate"
 msgstr ""
@@ -328,15 +328,15 @@ msgstr ""
 msgid "Refused"
 msgstr ""
 
-#: joanie/core/factories.py:1141 joanie/core/utils/contract_definition.py:101
+#: joanie/core/factories.py:1142 joanie/core/utils/contract_definition.py:101
 msgid "<COURSE_START_DATE>"
 msgstr ""
 
-#: joanie/core/factories.py:1146 joanie/core/utils/contract_definition.py:102
+#: joanie/core/factories.py:1147 joanie/core/utils/contract_definition.py:102
 msgid "<COURSE_END_DATE>"
 msgstr ""
 
-#: joanie/core/factories.py:1153
+#: joanie/core/factories.py:1154
 msgid "<EFFORT_DURATION>"
 msgstr ""
 
@@ -392,7 +392,7 @@ msgid_plural "%d products to synchronize."
 msgstr[0] ""
 msgstr[1] ""
 
-#: joanie/core/models/accounts.py:34 joanie/core/models/contracts.py:35
+#: joanie/core/models/accounts.py:34 joanie/core/models/contracts.py:36
 msgid "language"
 msgstr ""
 
@@ -453,7 +453,7 @@ msgstr ""
 msgid "owner"
 msgstr ""
 
-#: joanie/core/models/accounts.py:171 joanie/core/models/certifications.py:97
+#: joanie/core/models/accounts.py:171 joanie/core/models/certifications.py:98
 #: joanie/core/models/products.py:409
 msgid "organization"
 msgstr ""
@@ -495,7 +495,7 @@ msgid "level"
 msgstr ""
 
 #: joanie/core/models/activity_logs.py:74
-#: joanie/core/models/certifications.py:108 joanie/core/models/contracts.py:96
+#: joanie/core/models/certifications.py:109 joanie/core/models/contracts.py:103
 #: joanie/payment/models.py:74
 msgid "context"
 msgstr ""
@@ -565,37 +565,37 @@ msgstr ""
 msgid "template to generate pdf"
 msgstr ""
 
-#: joanie/core/models/certifications.py:46
-#: joanie/core/models/certifications.py:70
+#: joanie/core/models/certifications.py:47
+#: joanie/core/models/certifications.py:71
 msgid "Certificate definition"
 msgstr ""
 
-#: joanie/core/models/certifications.py:47
+#: joanie/core/models/certifications.py:48
 msgid "Certificate definitions"
 msgstr ""
 
-#: joanie/core/models/certifications.py:65
+#: joanie/core/models/certifications.py:66
 msgid "Date of issuance"
 msgstr ""
 
-#: joanie/core/models/certifications.py:82 joanie/core/models/contracts.py:86
+#: joanie/core/models/certifications.py:83 joanie/core/models/contracts.py:93
 #: joanie/core/models/products.py:1276 joanie/payment/models.py:54
 msgid "order"
 msgstr ""
 
-#: joanie/core/models/certifications.py:91 joanie/core/models/products.py:431
+#: joanie/core/models/certifications.py:92 joanie/core/models/products.py:431
 msgid "enrollment"
 msgstr ""
 
-#: joanie/core/models/certifications.py:102 joanie/core/models/contracts.py:46
+#: joanie/core/models/certifications.py:103 joanie/core/models/contracts.py:47
 msgid "images"
 msgstr ""
 
-#: joanie/core/models/certifications.py:109
+#: joanie/core/models/certifications.py:110
 msgid "Localized data that needs to be frozen on certificate creation"
 msgstr ""
 
-#: joanie/core/models/certifications.py:117
+#: joanie/core/models/certifications.py:118
 msgid "Certificates"
 msgstr ""
 
@@ -603,52 +603,56 @@ msgstr ""
 msgid "body"
 msgstr ""
 
-#: joanie/core/models/contracts.py:36
+#: joanie/core/models/contracts.py:32
+msgid "appendix"
+msgstr ""
+
+#: joanie/core/models/contracts.py:37
 msgid "Language of the contract definition"
 msgstr ""
 
-#: joanie/core/models/contracts.py:39
+#: joanie/core/models/contracts.py:40
 msgid "template name"
 msgstr ""
 
-#: joanie/core/models/contracts.py:54 joanie/core/models/contracts.py:79
+#: joanie/core/models/contracts.py:55 joanie/core/models/contracts.py:86
 #: joanie/core/models/products.py:105
 msgid "Contract definition"
 msgstr ""
 
-#: joanie/core/models/contracts.py:55
+#: joanie/core/models/contracts.py:56
 msgid "Contract definitions"
 msgstr ""
 
-#: joanie/core/models/contracts.py:98
+#: joanie/core/models/contracts.py:105
 msgid "Localized data snapshot on contract signature"
 msgstr ""
 
-#: joanie/core/models/contracts.py:108
+#: joanie/core/models/contracts.py:115
 msgid "Reference in the external signature backend"
 msgstr ""
 
-#: joanie/core/models/contracts.py:113
+#: joanie/core/models/contracts.py:120
 msgid "Date and time we send the contract to signature provider"
 msgstr ""
 
-#: joanie/core/models/contracts.py:121
+#: joanie/core/models/contracts.py:128
 msgid "Date and time of issuance"
 msgstr ""
 
-#: joanie/core/models/contracts.py:127
+#: joanie/core/models/contracts.py:134
 msgid "organization signatory"
 msgstr ""
 
-#: joanie/core/models/contracts.py:135
+#: joanie/core/models/contracts.py:142
 msgid "Date and time the organization signed the contract"
 msgstr ""
 
-#: joanie/core/models/contracts.py:143
+#: joanie/core/models/contracts.py:150
 msgid "Contract"
 msgstr ""
 
-#: joanie/core/models/contracts.py:144
+#: joanie/core/models/contracts.py:151
 msgid "Contracts"
 msgstr ""
 
@@ -1343,7 +1347,7 @@ msgstr ""
 msgid "Appendices"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:144
+#: joanie/core/templates/issuers/contract_definition.html:147
 #: joanie/core/templates/mail/html/installment_paid.html:259
 #: joanie/core/templates/mail/html/installment_refused.html:235
 #: joanie/core/templates/mail/html/installment_reminder.html:235
@@ -1355,19 +1359,19 @@ msgstr ""
 msgid "Payment schedule"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:148
+#: joanie/core/templates/issuers/contract_definition.html:151
 msgid "Due date"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:149
+#: joanie/core/templates/issuers/contract_definition.html:152
 msgid "Amount"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:155
+#: joanie/core/templates/issuers/contract_definition.html:158
 msgid "Total :"
 msgstr ""
 
-#: joanie/core/templates/issuers/contract_definition.html:173
+#: joanie/core/templates/issuers/contract_definition.html:176
 msgid "Catalog syllabus"
 msgstr ""
 
@@ -1789,14 +1793,18 @@ msgid "<STUDENT_PHONE_NUMBER>"
 msgstr ""
 
 #: joanie/core/utils/contract_definition.py:112
-msgid "<CONTRACT_BODY>"
+msgid "&lt;CONTRACT_BODY&gt;"
 msgstr ""
 
 #: joanie/core/utils/contract_definition.py:113
-msgid "<CONTRACT_TITLE>"
+msgid "&lt;CONTRACT_APPENDIX&gt;"
 msgstr ""
 
 #: joanie/core/utils/contract_definition.py:114
+msgid "<CONTRACT_TITLE>"
+msgstr ""
+
+#: joanie/core/utils/contract_definition.py:115
 msgid "<CONTRACT_DESCRIPTION>"
 msgstr ""
 
diff --git a/src/backend/locale/fr_FR/LC_MESSAGES/django.mo b/src/backend/locale/fr_FR/LC_MESSAGES/django.mo
index 21447a848..ff42a8377 100755
Binary files a/src/backend/locale/fr_FR/LC_MESSAGES/django.mo and b/src/backend/locale/fr_FR/LC_MESSAGES/django.mo differ
diff --git a/src/backend/locale/fr_FR/LC_MESSAGES/django.po b/src/backend/locale/fr_FR/LC_MESSAGES/django.po
index a15b42b02..4bc17230a 100644
--- a/src/backend/locale/fr_FR/LC_MESSAGES/django.po
+++ b/src/backend/locale/fr_FR/LC_MESSAGES/django.po
@@ -2,8 +2,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: joanie\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-10-16 09:22+0000\n"
-"PO-Revision-Date: 2024-10-16 09:46\n"
+"POT-Creation-Date: 2024-10-22 13:22+0000\n"
+"PO-Revision-Date: 2024-10-22 13:29\n"
 "Last-Translator: \n"
 "Language-Team: French\n"
 "Language: fr_FR\n"
@@ -204,7 +204,7 @@ msgid "Enrollment"
 msgstr "Inscription"
 
 #: joanie/core/enums.py:37 joanie/core/enums.py:150
-#: joanie/core/models/certifications.py:116
+#: joanie/core/models/certifications.py:117
 #: joanie/core/templates/issuers/degree.html:27
 msgid "Certificate"
 msgstr "Certificat"
@@ -328,15 +328,15 @@ msgstr "Payée"
 msgid "Refused"
 msgstr "Refusé"
 
-#: joanie/core/factories.py:1141 joanie/core/utils/contract_definition.py:101
+#: joanie/core/factories.py:1142 joanie/core/utils/contract_definition.py:101
 msgid "<COURSE_START_DATE>"
 msgstr "<DATE_DE_DEBUT_DU_COURS>"
 
-#: joanie/core/factories.py:1146 joanie/core/utils/contract_definition.py:102
+#: joanie/core/factories.py:1147 joanie/core/utils/contract_definition.py:102
 msgid "<COURSE_END_DATE>"
 msgstr "<DATE_DE_FIN_DU_COURS>"
 
-#: joanie/core/factories.py:1153
+#: joanie/core/factories.py:1154
 msgid "<EFFORT_DURATION>"
 msgstr "<EFFORT_DU_COURS>"
 
@@ -392,7 +392,7 @@ msgid_plural "%d products to synchronize."
 msgstr[0] "%d produit à synchroniser."
 msgstr[1] "%d produits à synchroniser."
 
-#: joanie/core/models/accounts.py:34 joanie/core/models/contracts.py:35
+#: joanie/core/models/accounts.py:34 joanie/core/models/contracts.py:36
 msgid "language"
 msgstr "langue"
 
@@ -453,7 +453,7 @@ msgstr "nom de famille"
 msgid "owner"
 msgstr "propriétaire"
 
-#: joanie/core/models/accounts.py:171 joanie/core/models/certifications.py:97
+#: joanie/core/models/accounts.py:171 joanie/core/models/certifications.py:98
 #: joanie/core/models/products.py:409
 msgid "organization"
 msgstr "établissement"
@@ -495,7 +495,7 @@ msgid "level"
 msgstr "niveau"
 
 #: joanie/core/models/activity_logs.py:74
-#: joanie/core/models/certifications.py:108 joanie/core/models/contracts.py:96
+#: joanie/core/models/certifications.py:109 joanie/core/models/contracts.py:103
 #: joanie/payment/models.py:74
 msgid "context"
 msgstr "contexte"
@@ -565,37 +565,37 @@ msgstr "description"
 msgid "template to generate pdf"
 msgstr "modèle pour générer le PDF"
 
-#: joanie/core/models/certifications.py:46
-#: joanie/core/models/certifications.py:70
+#: joanie/core/models/certifications.py:47
+#: joanie/core/models/certifications.py:71
 msgid "Certificate definition"
 msgstr "Définition de certificat"
 
-#: joanie/core/models/certifications.py:47
+#: joanie/core/models/certifications.py:48
 msgid "Certificate definitions"
 msgstr "Définitions de certificat"
 
-#: joanie/core/models/certifications.py:65
+#: joanie/core/models/certifications.py:66
 msgid "Date of issuance"
 msgstr "Date de délivrance"
 
-#: joanie/core/models/certifications.py:82 joanie/core/models/contracts.py:86
+#: joanie/core/models/certifications.py:83 joanie/core/models/contracts.py:93
 #: joanie/core/models/products.py:1276 joanie/payment/models.py:54
 msgid "order"
 msgstr "commande"
 
-#: joanie/core/models/certifications.py:91 joanie/core/models/products.py:431
+#: joanie/core/models/certifications.py:92 joanie/core/models/products.py:431
 msgid "enrollment"
 msgstr "inscription"
 
-#: joanie/core/models/certifications.py:102 joanie/core/models/contracts.py:46
+#: joanie/core/models/certifications.py:103 joanie/core/models/contracts.py:47
 msgid "images"
 msgstr "images"
 
-#: joanie/core/models/certifications.py:109
+#: joanie/core/models/certifications.py:110
 msgid "Localized data that needs to be frozen on certificate creation"
 msgstr "Données traduites qui doivent être gelées lors de la création d'un certificat"
 
-#: joanie/core/models/certifications.py:117
+#: joanie/core/models/certifications.py:118
 msgid "Certificates"
 msgstr "Certificats"
 
@@ -603,52 +603,56 @@ msgstr "Certificats"
 msgid "body"
 msgstr "contenu"
 
-#: joanie/core/models/contracts.py:36
+#: joanie/core/models/contracts.py:32
+msgid "appendix"
+msgstr "annexe"
+
+#: joanie/core/models/contracts.py:37
 msgid "Language of the contract definition"
 msgstr "Langue de la définition de contrat"
 
-#: joanie/core/models/contracts.py:39
+#: joanie/core/models/contracts.py:40
 msgid "template name"
 msgstr "nom du modèle"
 
-#: joanie/core/models/contracts.py:54 joanie/core/models/contracts.py:79
+#: joanie/core/models/contracts.py:55 joanie/core/models/contracts.py:86
 #: joanie/core/models/products.py:105
 msgid "Contract definition"
 msgstr "Définition de contrat"
 
-#: joanie/core/models/contracts.py:55
+#: joanie/core/models/contracts.py:56
 msgid "Contract definitions"
 msgstr "Définitions de contrat"
 
-#: joanie/core/models/contracts.py:98
+#: joanie/core/models/contracts.py:105
 msgid "Localized data snapshot on contract signature"
 msgstr "Instantané des données internationalisées à la signature du contrat"
 
-#: joanie/core/models/contracts.py:108
+#: joanie/core/models/contracts.py:115
 msgid "Reference in the external signature backend"
 msgstr "Référence sur la plateforme de signature externe"
 
-#: joanie/core/models/contracts.py:113
+#: joanie/core/models/contracts.py:120
 msgid "Date and time we send the contract to signature provider"
 msgstr "Date et heure d'envoi du contrat sur la plateforme de signature"
 
-#: joanie/core/models/contracts.py:121
+#: joanie/core/models/contracts.py:128
 msgid "Date and time of issuance"
 msgstr "Date et heure de signature du contrat par l'établissement"
 
-#: joanie/core/models/contracts.py:127
+#: joanie/core/models/contracts.py:134
 msgid "organization signatory"
 msgstr "signataire de l'établissement"
 
-#: joanie/core/models/contracts.py:135
+#: joanie/core/models/contracts.py:142
 msgid "Date and time the organization signed the contract"
 msgstr "Date et heure de signature du contrat par l'établissement"
 
-#: joanie/core/models/contracts.py:143
+#: joanie/core/models/contracts.py:150
 msgid "Contract"
 msgstr "Contrat"
 
-#: joanie/core/models/contracts.py:144
+#: joanie/core/models/contracts.py:151
 msgid "Contracts"
 msgstr "Contrats"
 
@@ -1343,7 +1347,7 @@ msgstr "Signature du représentant de l'université :"
 msgid "Appendices"
 msgstr "Annexes"
 
-#: joanie/core/templates/issuers/contract_definition.html:144
+#: joanie/core/templates/issuers/contract_definition.html:147
 #: joanie/core/templates/mail/html/installment_paid.html:259
 #: joanie/core/templates/mail/html/installment_refused.html:235
 #: joanie/core/templates/mail/html/installment_reminder.html:235
@@ -1355,19 +1359,19 @@ msgstr "Annexes"
 msgid "Payment schedule"
 msgstr "Échéancier"
 
-#: joanie/core/templates/issuers/contract_definition.html:148
+#: joanie/core/templates/issuers/contract_definition.html:151
 msgid "Due date"
 msgstr "Date d’échéance"
 
-#: joanie/core/templates/issuers/contract_definition.html:149
+#: joanie/core/templates/issuers/contract_definition.html:152
 msgid "Amount"
 msgstr "Montant"
 
-#: joanie/core/templates/issuers/contract_definition.html:155
+#: joanie/core/templates/issuers/contract_definition.html:158
 msgid "Total :"
 msgstr "Total :"
 
-#: joanie/core/templates/issuers/contract_definition.html:173
+#: joanie/core/templates/issuers/contract_definition.html:176
 msgid "Catalog syllabus"
 msgstr "Syllabus de la formation"
 
@@ -1793,14 +1797,18 @@ msgid "<STUDENT_PHONE_NUMBER>"
 msgstr "<TELEPHONE_APPRENANT>"
 
 #: joanie/core/utils/contract_definition.py:112
-msgid "<CONTRACT_BODY>"
-msgstr "<CONTENU_DU_CONTRAT>"
+msgid "&lt;CONTRACT_BODY&gt;"
+msgstr "&lt;CORPS_DU_CONTRAT&gt;"
 
 #: joanie/core/utils/contract_definition.py:113
+msgid "&lt;CONTRACT_APPENDIX&gt;"
+msgstr "&lt;ANNEXE_DU_CONTRAT&gt;"
+
+#: joanie/core/utils/contract_definition.py:114
 msgid "<CONTRACT_TITLE>"
 msgstr "<TITRE_DU_CONTRAT>"
 
-#: joanie/core/utils/contract_definition.py:114
+#: joanie/core/utils/contract_definition.py:115
 msgid "<CONTRACT_DESCRIPTION>"
 msgstr "<DESCRIPTION_DU_CONTRAT>"
 
diff --git a/src/backend/pyproject.toml b/src/backend/pyproject.toml
index 14438d107..5cc0ea510 100644
--- a/src/backend/pyproject.toml
+++ b/src/backend/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "joanie"
-version = "2.8.0"
+version = "2.9.0"
 authors = [{ "name" = "Open FUN (France Université Numérique)", "email" = "fun.dev@fun-mooc.fr" }]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
diff --git a/src/frontend/admin/i18n/locales/es-ES.json b/src/frontend/admin/i18n/locales/es-ES.json
index 878e44743..795120638 100644
--- a/src/frontend/admin/i18n/locales/es-ES.json
+++ b/src/frontend/admin/i18n/locales/es-ES.json
@@ -155,6 +155,10 @@
     "description": "Label for the language input",
     "message": "Language"
   },
+  "components.templates.contractDefinitions.form.appendixLabel": {
+    "description": "Label for the appendix input",
+    "message": "Appendix"
+  },
   "components.templates.contractDefinitions.form.bodyLabel": {
     "description": "Label for the body input",
     "message": "Body"
diff --git a/src/frontend/admin/i18n/locales/fr-CA.json b/src/frontend/admin/i18n/locales/fr-CA.json
index 878e44743..795120638 100644
--- a/src/frontend/admin/i18n/locales/fr-CA.json
+++ b/src/frontend/admin/i18n/locales/fr-CA.json
@@ -155,6 +155,10 @@
     "description": "Label for the language input",
     "message": "Language"
   },
+  "components.templates.contractDefinitions.form.appendixLabel": {
+    "description": "Label for the appendix input",
+    "message": "Appendix"
+  },
   "components.templates.contractDefinitions.form.bodyLabel": {
     "description": "Label for the body input",
     "message": "Body"
diff --git a/src/frontend/admin/i18n/locales/fr-FR.json b/src/frontend/admin/i18n/locales/fr-FR.json
index 42bcc6f53..b75e1e22f 100644
--- a/src/frontend/admin/i18n/locales/fr-FR.json
+++ b/src/frontend/admin/i18n/locales/fr-FR.json
@@ -155,6 +155,10 @@
     "description": "Label for the language input",
     "message": "Langue"
   },
+  "components.templates.contractDefinitions.form.appendixLabel": {
+    "description": "Label for the appendix input",
+    "message": "Annexe"
+  },
   "components.templates.contractDefinitions.form.bodyLabel": {
     "description": "Label for the body input",
     "message": "Contenu"
diff --git a/src/frontend/admin/package.json b/src/frontend/admin/package.json
index b9b4e5e5e..6dfda37a1 100644
--- a/src/frontend/admin/package.json
+++ b/src/frontend/admin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "admin",
-  "version": "2.8.0",
+  "version": "2.9.0",
   "private": true,
   "scripts": {
     "dev": "next dev -p 8072",
diff --git a/src/frontend/admin/src/translations/es-ES.json b/src/frontend/admin/src/translations/es-ES.json
index eb68b159f..439ee5a8a 100644
--- a/src/frontend/admin/src/translations/es-ES.json
+++ b/src/frontend/admin/src/translations/es-ES.json
@@ -38,6 +38,7 @@
   "components.templates.certificatesDefinitions.modals.CreateOrEditCertificationModal.edit": "Edit the \"{name}\" course",
   "components.templates.contractDefinition.filters.ContractDefinitionFilters.searchPlaceholder": "Search by title",
   "components.templates.contractDefinitions.form.RhfContractDefinitionLanguage.languageLabel": "Language",
+  "components.templates.contractDefinitions.form.appendixLabel": "Appendix",
   "components.templates.contractDefinitions.form.bodyLabel": "Body",
   "components.templates.contractDefinitions.form.descriptionLabel": "Description",
   "components.templates.contractDefinitions.form.informationText": "This is a contract template that will be used to issue contracts.",
diff --git a/src/frontend/admin/src/translations/fr-CA.json b/src/frontend/admin/src/translations/fr-CA.json
index eb68b159f..439ee5a8a 100644
--- a/src/frontend/admin/src/translations/fr-CA.json
+++ b/src/frontend/admin/src/translations/fr-CA.json
@@ -38,6 +38,7 @@
   "components.templates.certificatesDefinitions.modals.CreateOrEditCertificationModal.edit": "Edit the \"{name}\" course",
   "components.templates.contractDefinition.filters.ContractDefinitionFilters.searchPlaceholder": "Search by title",
   "components.templates.contractDefinitions.form.RhfContractDefinitionLanguage.languageLabel": "Language",
+  "components.templates.contractDefinitions.form.appendixLabel": "Appendix",
   "components.templates.contractDefinitions.form.bodyLabel": "Body",
   "components.templates.contractDefinitions.form.descriptionLabel": "Description",
   "components.templates.contractDefinitions.form.informationText": "This is a contract template that will be used to issue contracts.",
diff --git a/src/frontend/admin/src/translations/fr-FR.json b/src/frontend/admin/src/translations/fr-FR.json
index c98f25874..3ba9e82c6 100644
--- a/src/frontend/admin/src/translations/fr-FR.json
+++ b/src/frontend/admin/src/translations/fr-FR.json
@@ -38,6 +38,7 @@
   "components.templates.certificatesDefinitions.modals.CreateOrEditCertificationModal.edit": "Modifier le cours \"{name}\"",
   "components.templates.contractDefinition.filters.ContractDefinitionFilters.searchPlaceholder": "Rechercher par titre",
   "components.templates.contractDefinitions.form.RhfContractDefinitionLanguage.languageLabel": "Langue",
+  "components.templates.contractDefinitions.form.appendixLabel": "Annexe",
   "components.templates.contractDefinitions.form.bodyLabel": "Contenu",
   "components.templates.contractDefinitions.form.descriptionLabel": "Description",
   "components.templates.contractDefinitions.form.informationText": "Il s'agit d'un modèle de contrat qui sera utilisé pour émettre des contrats.",
diff --git a/src/mail/package.json b/src/mail/package.json
index c339273b3..bdd90a16f 100644
--- a/src/mail/package.json
+++ b/src/mail/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mail_mjml",
-  "version": "2.8.0",
+  "version": "2.9.0",
   "description": "An util to generate html and text django's templates from mjml templates",
   "type": "module",
   "dependencies": {
diff --git a/src/openApiClientJs/package.json b/src/openApiClientJs/package.json
index e504bff01..f8d3b74f1 100644
--- a/src/openApiClientJs/package.json
+++ b/src/openApiClientJs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "joanie-openapi-client-ts",
-  "version": "2.8.0",
+  "version": "2.9.0",
   "private": true,
   "description": "Tool to generate Typescript api client for joanie",
   "scripts": {
diff --git a/src/tray/tray.yml b/src/tray/tray.yml
index 07153af83..5c95c750a 100644
--- a/src/tray/tray.yml
+++ b/src/tray/tray.yml
@@ -1,3 +1,3 @@
 metadata:
   name: joanie
-  version: 2.8.0
+  version: 2.9.0
diff --git a/src/tray/vars/all/main.yml b/src/tray/vars/all/main.yml
index c8d4dc261..1f21a9483 100644
--- a/src/tray/vars/all/main.yml
+++ b/src/tray/vars/all/main.yml
@@ -21,7 +21,7 @@ joanie_nginx_static_cache_expires: "1M"
 
 # -- admin nginx
 joanie_admin_nginx_image_name: "fundocker/joanie-admin"
-joanie_admin_nginx_image_tag: "2.8.0"
+joanie_admin_nginx_image_tag: "2.9.0"
 joanie_admin_nginx_port: 8061
 joanie_admin_nginx_replicas: 1
 joanie_admin_nginx_healthcheck_port: 5000
@@ -41,7 +41,7 @@ joanie_database_secret_name: "joanie-postgresql-{{ joanie_vault_checksum | defau
 
 # -- joanie
 joanie_image_name: "fundocker/joanie"
-joanie_image_tag: "2.8.0"
+joanie_image_tag: "2.9.0"
 # The image pull secret name should match the name of your secret created to
 # login to your private docker registry
 joanie_image_pull_secret_name: ""