field3 rules
Every EN 16931, Peppol and XRechnung rule that constrains BT-53. 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-DE-9 | fatal | Das Element "Buyer post code" (BT-53) muss übermittelt werden. |
| DE-R-009 | fatal | The element "Buyer post code" (BT-53) shall be provided. |
| IS-R-005 | fatal | If seller and buyer are icelandic then the invoice shall contain the buyers address with street name and zip code — Ef seljandi og kaupandi eru íslenskir þá skal heimilis… |