Hello Sebastián Cuesta,

There is one ready app available at odoo store which can perform all these actions you want.

Quick View

• Cancel Receipts / Incoming Shipment created from the PO, even if those are processed (Received in Warehouse)


• While Canceling Receipts, it will remove generated accounting entries for Stock Valuation.


• If Invoice is created & validated, it will cancel the related invoices as well. While cancelling invoice, if invoice payment is made, it will unreconciled such payment from invoice.

Click here to know more about Cancel & Reset to Draft Purchase Order In Odoo.