The date when the period starts. Must be formatted YYYY-MM-DD

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Date
Example value
2018-05-15
Business terms
tir110-030
Rules
Identifier/Error message Flag
EHF-T110-B18001
Document MUST NOT contain elements not part of the data model.
fatal