The date on which the period starts. The start dates counts as part of the period. Format ="YYYY-MM-DD"

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Date
Example value
2018-09-03
Business terms
tir01-126
Rules
Identifier/Error message Flag
EHF-P09-CHA-B22601
Document MUST NOT contain elements not part of the data model.
fatal