The date when the Invoice period starts. Format = "YYYY-MM-DD".
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-22017-10-01| Identifier/Error message | Flag |
|---|---|
| PEPPOL-EN16931-F001 A date MUST be formatted YYYY-MM-DD. |
fatal |
| BR-CO-19 If Invoicing period (BG-14) is used, the Invoicing period start date (BT-73) or the Invoicing period end date (BT-74) shall be filled, or both. |
fatal |