A textual description of the reason why the items belongin to the subtotal are exempted for VAT. An invoice may contain, as text, the reasons for why a value amount in a category is exempted from VAT. Invoices only support one category with an exemption reason pr. invoice. Mandatory if VAT category = E.

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Rules
Identifier/Error message Flag
BII2-T10-R045
A VAT exemption reason MUST be provided if the VAT category code is exempt or reverse charge.
fatal