group of fields2 rules
Every EN 16931, Peppol and XRechnung rule that constrains BG-26. 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-20 | fatal | If Invoice line period (BG-26) is used, the Invoice line period start date (BT-134) or the Invoice line period end date (BT-135) shall be filled, or both. |
| BR-DE-TMP-32 | information | Eine Rechnung sollte zur Angabe des Liefer-/Leistungsdatums entweder BT-72 "Actual delivery date", BG-14 "Invoicing period" oder in jeder Rechnungsposition BG-26 "Invoice… |