field2 rules
Every EN 16931, Peppol and XRechnung rule that constrains BT-30. If one of them fails, the others are usually worth a look — a wrong value in one field tends to break several checks at once.
| BR-CO-26 | fatal | In order for the buyer to automatically identify a supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller VAT identif… |
| IS-R-002 | fatal | If seller is icelandic then it shall contain sellers legal id — Ef seljandi er íslenskur þá skal reikningur innihalda íslenska kennitölu seljanda (BT-30). |