The date on which the period starts. The start dates counts as part of the period. For invoices that charge for services or items delivered over a time period is necessary to be able to state the start date of the period for which the invoice relates such as for metered services and subscriptions.
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-22013-01-06| Identifier/Error message | Flag |
|---|---|
| BII2-T10-R023 Each invoice period information MUST have an invoice period start date |
fatal |