Invoice date error when finalizing – what to do?
If you get an error message stating that the document date must be greater than or equal to the last finalized document, this article explains why and how to resolve the issue.
What does a "finalized" invoice mean?
In Toolcie, an invoice exists in two different states:
- Draft: the invoice is being created. Its number is provisional and may still change.
- Finalized: the invoice has received its definitive number and is locked.
An invoice is automatically finalized as soon as you perform any of the following actions: status change (e.g.: Sent, Paid), sending by email, PDF download, sharing or printing.
An invoice that remains in draft is not yet finalized, even if you entered a date in the past. It is the finalization that locks the date and generates the definitive number.
Why does this restriction exist?
Companies subject to anti-VAT fraud regulations must maintain invoice numbering that is continuous, chronological and without gaps.
As a result, it is impossible to finalize an invoice with a date earlier than that of an already finalized invoice. For example, if your last finalized invoice is dated January 15, 2026, you can no longer finalize an invoice dated December 31, 2025.
Typical case: forgotten end-of-year invoices
You have invoices from December 2025 still in draft, but you have already finalized invoices in January 2026. This is a common situation at the start of the year.
In this situation, it is technically no longer possible to date these invoices in 2025. The only option is to change their date to a date in 2026.
Warning: this has accounting consequences, as the revenue will be recorded in 2026. Consult your accountant before proceeding in order to handle these invoices correctly in your tax filings.
How to avoid this issue in the future?
- Finalize all invoices for the current year before December 31, or at least before issuing your first invoice of the following year.
- Never send a draft invoice to your client. The definitive number is only assigned upon finalization — a draft can still have its number changed.