TaxCategoryIdentifer UN/ECE 5305 D06B urn: urn: http:// United Nations Economic Commission for Europe 6 Code Name Description CodeKey A Mixed tax rate Self explanatory. AA Lower rate Tax rate is lower than standard rate. AB Exempt for resale A tax category code indicating the item is tax exempt when the item is bought for future resale. AC Value Added Tax (VAT) not now due for payment. A code to indicate that the Value Added Tax (VAT) amount which is due on the current invoice is to be paid on receipt of a separate VAT payment request. AD Value Added Tax (VAT) due from a previous invoice. A code to indicate that the Value Added Tax (VAT) amount of a previous invoice is to be paid. B Transferred (VAT). VAT not to be paid to the issuer of the invoice but directly to relevant tax authority. C Duty paid by supplier. Duty associated with shipment of goods is paid by the supplier; customer receives goods with duty paid. E Exempt from tax. Self explanatory. G Free export item, tax not charged. Self explanatory. H Higher rate. Self explanatory. O Services outside scope of tax. Self explanatory. S Standard rate. Self explanatory. Z Zero rated goods. Self explanatory.