A textual reason for the allowance or the charge. Can also be its name. One textual description of what is being added or deducted. E.g. ā€˛volume discount" or "packing charges" must be stated for each allowance and charge on document level in an invoice.

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
Freight charge
Rules
Identifier/Error message Flag
NONAT-T10-R011
AllowanceChargeReason text SHOULD be specified for all allowances and charges
warning