OCA · alvaro-domatix · May 27, 2026
diff --git a/subscription_oca/README.rst b/subscription_oca/README.rst
@@ -11,7 +11,7 @@ Subscription management
    !! This file is generated by oca-gen-addon-readme !!
    !! changes will be overwritten.                   !!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-   !! source digest: sha256:ea96c858a40ee527d0e32ee03859918c082521f205ccc1cb26e96cb3bef27800
+   !! source digest: sha256:1d7163cf2d7da35b3460a208800f960258c0e321470ab537d8aee3c7dfa6197e
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 .. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
@@ -74,21 +74,32 @@ To create subscriptions with the sale of a product:
 
 Invoice and delivery addresses:
 
-- Each subscription has an *Invoice address* and a *Delivery address*.
-  They default to the customer's corresponding addresses and can be
-  overridden per subscription.
-- These addresses are propagated to the recurring invoices (the invoice
-  is addressed to the invoice address and records the delivery one) and
-  to the sale orders generated by the subscription.
-- The fields are shown when the *Customer Addresses* setting (group
-  *Display Delivery / Invoice addresses*) is enabled.
+-  Each subscription has an *Invoice address* and a *Delivery address*.
+   They default to the customer's corresponding addresses and can be
+   overridden per subscription.
+-  These addresses are propagated to the recurring invoices (the invoice
+   is addressed to the invoice address and records the delivery one) and
+   to the sale orders generated by the subscription.
+-  The fields are shown when the *Customer Addresses* setting (group
+   *Display Delivery / Invoice addresses*) is enabled.
+
+To change the customer of one or several subscriptions:
+
+1. Select the subscriptions in the list (or open one) and use the
+   *Change customer* action.
+2. Pick the new customer. Optionally reapply the customer's sale
+   pricelist and recompute the fiscal position.
+3. The change applies to the subscription and to its **future** invoices
+   and orders. Invoices already issued are **not** reassigned, so the
+   fiscal trail of posted documents is preserved. Closed subscriptions
+   cannot be changed.
 
 Known issues / Roadmap
 ======================
 
-- Refactor all the onchanges that have business logic to computed
-  write-able fields when possible. Keep onchanges only for UI purposes.
-- Add tests.
+-  Refactor all the onchanges that have business logic to computed
+   write-able fields when possible. Keep onchanges only for UI purposes.
+-  Add tests.
 
 Bug Tracker
 ===========
@@ -112,22 +123,22 @@ Authors
 Contributors
 ------------
 
-- Carlos Martínez <carlos@domatix.com>
-- Carolina Ferrer <carolina@domatix.com>
-- `Ooops404 <https://www.ooops404.com>`__:
+-  Carlos Martínez <carlos@domatix.com>
+-  Carolina Ferrer <carolina@domatix.com>
+-  `Ooops404 <https://www.ooops404.com>`__:
 
-  - Ilyas <irazor147@gmail.com>
+   -  Ilyas <irazor147@gmail.com>
 
-- `Sygel <https://www.sygel.es>`__:
+-  `Sygel <https://www.sygel.es>`__:
 
-  - Harald Panten
-  - Valentin Vinagre
-  - Alberto Martínez
+   -  Harald Panten
+   -  Valentin Vinagre
+   -  Alberto Martínez
 
-- Dennis Sluijk <d.sluijk@onestein.nl>
-- `IKU Solutions <https://www.iku.solutions>`__:
+-  Dennis Sluijk <d.sluijk@onestein.nl>
+-  `IKU Solutions <https://www.iku.solutions>`__:
 
-  - Yan Chirino <yan.chirino@iku.solutions>
+   -  Yan Chirino <yan.chirino@iku.solutions>
 
 Maintainers
 -----------

diff --git a/subscription_oca/__manifest__.py b/subscription_oca/__manifest__.py
@@ -22,6 +22,7 @@
         "data/ir_cron.xml",
         "data/sale_subscription_data.xml",
         "wizard/close_subscription_wizard.xml",
+        "wizard/sale_subscription_change_partner_wizard.xml",
         "security/subscription_security.xml",
         "security/ir.model.access.csv",
     ],

diff --git a/subscription_oca/models/sale_subscription.py b/subscription_oca/models/sale_subscription.py
@@ -300,14 +300,24 @@ def _compute_partner_address_ids(self):
     def onchange_partner_id(self):
         self.pricelist_id = self.partner_id.property_product_pricelist
 
-    @api.onchange("partner_id", "company_id")
-    def onchange_partner_id_fpos(self):
-        self.fiscal_position_id = (
+    def _get_fiscal_position_from_partner(self, partner=None):
+        """Return the fiscal position computed from a partner and the
+        subscription company. Plain method so it can be reused outside the
+        onchange UI flow (e.g. the change-customer wizard) without relying on
+        onchange side effects for persistence. Defaults to the current
+        partner when none is provided."""
+        self.ensure_one()
+        partner = partner or self.partner_id
+        return (
             self.env["account.fiscal.position"]
             .with_company(self.company_id)
-            ._get_fiscal_position(self.partner_id)
+            ._get_fiscal_position(partner)
         )
 
+    @api.onchange("partner_id", "company_id")
+    def onchange_partner_id_fpos(self):
+        self.fiscal_position_id = self._get_fiscal_position_from_partner()
+
     def action_start_subscription(self):
         self.close_reason_id = False
         in_progress_stage = self.env["sale.subscription.stage"].search(

diff --git a/subscription_oca/readme/USAGE.md b/subscription_oca/readme/USAGE.md
@@ -36,3 +36,14 @@ Invoice and delivery addresses:
     to the sale orders generated by the subscription.
 -   The fields are shown when the *Customer Addresses* setting
     (group *Display Delivery / Invoice addresses*) is enabled.
+
+To change the customer of one or several subscriptions:
+
+1.  Select the subscriptions in the list (or open one) and use the
+    *Change customer* action.
+2.  Pick the new customer. Optionally reapply the customer's sale
+    pricelist and recompute the fiscal position.
+3.  The change applies to the subscription and to its **future**
+    invoices and orders. Invoices already issued are **not** reassigned,
+    so the fiscal trail of posted documents is preserved. Closed
+    subscriptions cannot be changed.
diff --git a/subscription_oca/security/ir.model.access.csv b/subscription_oca/security/ir.model.access.csv
@@ -6,3 +6,4 @@ access_custom_sale_subscription_stage,sale.subscription.stage,model_sale_subscri
 access_custom_sale_subscription_line,sale.subscription.line,model_sale_subscription_line,sales_team.group_sale_salesman,1,1,1,1
 access_custom_sale_subscription_tag,sale.subscription.tag,model_sale_subscription_tag,sales_team.group_sale_salesman,1,1,1,1
 access_close_subscription,Close subscription access,model_close_reason_wizard,sales_team.group_sale_salesman,1,1,1,1
+access_change_partner_wizard,Change partner wizard access,model_sale_subscription_change_partner_wizard,sales_team.group_sale_manager,1,1,1,1
diff --git a/subscription_oca/static/description/index.html b/subscription_oca/static/description/index.html
@@ -372,7 +372,7 @@ <h1>Subscription management</h1>
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-!! source digest: sha256:ea96c858a40ee527d0e32ee03859918c082521f205ccc1cb26e96cb3bef27800
+!! source digest: sha256:1d7163cf2d7da35b3460a208800f960258c0e321470ab537d8aee3c7dfa6197e
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 <p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/license-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/contract/tree/19.0/subscription_oca"><img alt="OCA/contract" src="https://img.shields.io/badge/github-OCA%2Fcontract-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/contract-19-0/contract-19-0-subscription_oca"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/contract&amp;target_branch=19.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>This module allows creating subscriptions that generate recurring
@@ -433,6 +433,17 @@ <h2><a class="toc-backref" href="#toc-entry-1">Usage</a></h2>
 <li>The fields are shown when the <em>Customer Addresses</em> setting (group
 <em>Display Delivery / Invoice addresses</em>) is enabled.</li>
 </ul>
+<p>To change the customer of one or several subscriptions:</p>
+<ol class="arabic simple">
+<li>Select the subscriptions in the list (or open one) and use the
+<em>Change customer</em> action.</li>
+<li>Pick the new customer. Optionally reapply the customer’s sale
+pricelist and recompute the fiscal position.</li>
+<li>The change applies to the subscription and to its <strong>future</strong> invoices
+and orders. Invoices already issued are <strong>not</strong> reassigned, so the
+fiscal trail of posted documents is preserved. Closed subscriptions
+cannot be changed.</li>
+</ol>
 </div>
 <div class="section" id="known-issues-roadmap">
 <h2><a class="toc-backref" href="#toc-entry-2">Known issues / Roadmap</a></h2>

diff --git a/subscription_oca/tests/__init__.py b/subscription_oca/tests/__init__.py
@@ -4,3 +4,4 @@
 from . import test_subscription_security
 from . import test_subscription_recurrence_dates
 from . import test_subscription_partner_addresses
+from . import test_subscription_change_partner