Features

• Automatic accounting date alignment — vendor bill accounting date is set to the invoice date whenever the fiscal period is open.
• Tax lock date awareness — if the invoice date falls inside a locked period, the accounting date is automatically shifted to tax_lock_date + 1, preventing illegal back-dating.
• Zero configuration — logic activates on install with no settings to adjust.
• Transparent to users — accountants work with invoice dates as usual; the module handles period compliance silently.
• Lightweight account dependency — no additional modules required beyond the standard Odoo Invoicing / Accounting app.

Configuration

To install this module, you need to:

• clone the branch 18.0 of the repository https://github.com/NextERP-Romania/odoo-community
• add the path to this repository in your configuration (addons-path)
• update the module list
• search for "NextERP - Purchase Invoice Accounting Date" in your addons
• install the module

How it works

This module works automatically in the background — no additional steps are required from the user during day-to-day invoicing.

How the accounting date is determined on vendor bills

Whenever Odoo computes the accounting date for a purchase invoice (account.move), the overridden _get_accounting_date method applies the following logic:

1. Open or create a vendor bill via Accounting → Vendors → Bills.
2. Set the Invoice Date field on the bill.
3. On confirmation, Odoo automatically sets the Accounting Date:
   • If the invoice date falls after the current tax_lock_date, the accounting date is set to the invoice date.
   • If the invoice date falls on or before the tax_lock_date, the accounting date is pushed forward to tax lock date + 1 day, keeping the entry out of the locked fiscal period.
4. No manual intervention is needed — the correct accounting date appears on the posted journal entry.

Versions

19.0.0.0.0 (2026-06-03)

• Changelog tracking starts at this release.