The tax rate that is to be applied to the taxable amount in order to derive the tax amount. For each VAT category an invoice must contain the VAT percentage for each sub total taxable amount so that it can be used to calculate the VAT amount. Where VAT category code is stated then VAT category percentage must also be stated.

Cardinality
1..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Example value
25
Rules
Identifier/Error message Flag
BII2-T10-R030
The VAT category percentage MUST be provided if the VAT category code is standard.
fatal
EUGEN-T10-R008
For each tax subcategory the category ID and the applicable tax percentage MUST be provided.
fatal