SAF-T › DUKIntegrator D406 errors

"Invalid format for RegistrationNumber" / "invalid CIF"

What it means

The company's or partner's tax code does not have the required format: digits only (optionally with RO in front) and a correct check digit.

Common causes

How to fix it

  1. Write the code without separators; check it on ANAF's site (or with lookup_company / /v1/company).

Check your D406 file before filing it

We run ANAF's validator for your period plus the checks ANAF only does after filing: trial balance, balances, ledger totals, VAT, CUIs and IBANs. One free check per day.

Check a SAF-T file

Other D406 errors