field3 rules
Every EN 16931, Peppol and XRechnung rule that constrains BT-5. 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-05 | fatal | An Invoice shall have an Invoice currency code (BT-5). |
| BR-DEX-14 | fatal | Die Währungsangabe von "Third party payment amount" BT-DEX-002 muss BT-5 ("Invoice currency code") entsprechen. |
| PEPPOL-EN16931-R051 | fatal | All currencyID attributes must have the same value as the invoice currency code (BT-5), except for the invoice total VAT amount in accounting currency (BT-111). |