Product Refund Account

This module adds two new account fields to products and product categories: a Refund In Account (used for vendor credit notes) and a Refund Out Account (used for customer credit notes). They appear on the product form next to the usual income and expense accounts, and on the product category form next to the expense account, visible to users with accounting read access.

When a credit note or debit note is created, the module automatically replaces the line account with the refund account. The product's own refund account wins; if it is empty, the category's refund account is used; if both are empty, Odoo keeps the normal default account. This applies both when you create a refund directly and when you reverse an existing customer or supplier invoice.

• Accounts are set per company, so different companies can use different refund accounts.
• Accounts cannot be deleted while still used by a product or category.
• Changes to these fields are tracked in the chatter.

The module touches product.template, product.category, account.move and account.move.line. It does not add new menus or reports; everything happens on existing product, category and invoice screens.