What does it mean that the invoice did not pass validation?
Short answer
If the invoice did not pass validation, it means that at least one rule of the used format or validation profile was violated during its check. It can be, for example: damaged XML structure, missing mandatory data, wrong fo
Blocking error
The document should not be sent or exported as finished.
Warning
It may not always block, but it may represent an operational or accounting risk.
Technical repair
Some errors can be corrected safely without changing the accounting truth.
The person decides
AI cannot decide on the content of the invoice, dates, VAT and pages alone.
Conclusion
If the invoice did not pass validation, it means that the document violated at least one rule of the used validation profile.
Act No. 222/2004 Z. z. Coll. about VAT · FAQ of the Financial Administration of the Slovak Republic from 7 July 2026 · Peppol BIS Billing 3.0
Not legal advice. Machine-translated answer, not yet manually reviewed. For the exact wording, see the Slovak original.