EHF Post-Award G2 | Rules | NOGOV-T76-R008

Message: Every tax scheme MUST be defined through an identifier.
Context: cac:TaxScheme
Test: cbc:ID
Usage: / ubl:OrderResponse / cac:OrderLine / cac:SellerSubstitutedLineItem / cac:Item / cac:ClassifiedTaxCategory / cac:TaxScheme / cbc:ID