The issue date of an invoice is required by EU directives as well as country laws. An invoice must therefore contain the date on which it was issued. Format YYYY-MM-DD.
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2| Identifier/Error message | Flag |
|---|---|
| BII2-T10-R004 An invoice MUST have an invoice issue date |
fatal |
| NONAT-T10-R009 Issue date of an invoice should be today or earlier. |
warning |