How do I fix PT-R-004?

Add ATCUD code from certified software. This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.

Is PT-R-004 a critical error?

Yes, PT-R-004 is a critical error that will cause invoice rejection. It must be fixed before submission.

Error codes · ubl-2.1 · PRT

PT-R-004Partly

ATCUD validation code required

This is the rejection, word for word: „[PT-R-004] Portuguese invoices require ATCUD (unique document code).“

XPath: Extension or Note for ATCUD

What to have readyThe correct figures from your bookkeeping; we show you which field is affected.

What we doAdd ATCUD code from certified software.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

What the finding looks likeExample

FindingNeeds your check · PT-R-004

From youThe correct figures

ThenChecked again

ProofSHA-256 and /verify link after the check

Often appears together with

PT-R-001Portuguese NIF required