Purchase Update Proposal

Allow to define alternate quantity, date on lines

Technical Name:
  • Odoo Version

Terms and Conditions 

Purchase Update Proposal

Alpha License: AGPL-3 OCA/purchase-workflow Translate me on Weblate Try me on Runbot

Allow for any user with only read only grants on Purchase Orders to suggest/ask for modification.

Use cases:

  • in case of EDI like an Order Response flow (i.e. UBL) which require to deal with update conditions on purchase lines.
  • external user like a vendor which can readonly access to its own purchase order but want to ask for modifications.
  • internal user with no write access on Purchase Order.


This is an alpha version, the data model and design can change at any time without warning. Only for development or testing purpose, do not use in production. More details on development status

Table of contents


Go to the supplier menu This document is modified by the supplier with specific right on its own purchase document


This document is modified by the purchaser pending approbation



  • asked modifications allowed are: quantity, date or price
  • update price is optionnal according to supplier
  • proposal with quantity set to 0 impact purchase line by cancelling line instead of update quantity
  • external users are added to confirmed purchases
  • if proposing a null quantity, the purchase order line will be cancelled and the other line's fields not updated
  • update quantity require to reset order to draft while price and date can be set at any time

Bug Tracker

Bugs are tracked on GitHub Issues. In case of trouble, please check there if your issue has already been reported. If you spotted it first, help us smashing it by providing a detailed and welcomed feedback.

Do not contact contributors directly about support or help with technical issues.



  • Akretion


This module is maintained by the OCA.

Odoo Community Association

OCA, or the Odoo Community Association, is a nonprofit organization whose mission is to support the collaborative development of Odoo features and promote its widespread use.

Current maintainer:


This module is part of the OCA/purchase-workflow project on GitHub.

You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

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