Document line period start date

The date when the Document period for this Document line starts. Format =“YYYY-MM-DD”

About

Id: SB-BT-134
Cardinality: 0..1
Element: cbc:StartDate
Namespace: urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Business Term: BT-134 - Document line period start date
Example value: 2026-02-01

Identifier	Message
BR-CO-20	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.
PEPPOL-EN16931-F001	A date MUST be formatted YYYY-MM-DD.
PEPPOL-EN16931-R110	Start date of line period MUST be within invoice period.