Error codes · EN 16931
BR-54In your invoicing software
Item attribute name and value required
This is the rejection, word for word: „[BR-54] Each Item attribute (BG-32) shall contain an Item attribute name (BT-160) and value (BT-161).“
What to have readyOriginal Invoice Number
What we doThis requires user input to resolve. Add a `cac:BillingReference` with the original Invoice reference.
If you enter it yourself in your invoicing software
Before
<Invoice> <!-- Issue: Corrective invoices (type 384) must reference the invoice be --> </Invoice>
After
<Invoice> <!-- Issue resolved per EN 16931 --> </Invoice>
Element order is part of the rule: if the element sits in the wrong place, the validator rejects with BR-54.
What the finding looks likeExample
FindingStructure invalid · BR-54
Locationram:SpecifiedLineTradeSettlement/ram:BillingSpecifiedPeriod
From youOriginal Invoice Number
ThenRe-export
ProofSHA-256 and /verify link after the check
Often appears together with
BR-52Supporting document reference required