Use “true” when informing about Charges and “false” when informing about Allowances.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
udt:IndicatorType
Example value
true
Rules
Identifier/Error message Flag
PEPPOL-EN16931-R043
Allowance/charge ChargeIndicator value MUST equal 'true' or 'false'
fatal