Invoice StructureInvoiceInvoiceLineTaxTotalTaxSubtotalTaxCategoryTaxSchemeIDcbc:ID An identifier for this taxation scheme. About Occurrence: [0..1] Namespace: urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2 Attributes Example <cbc:ID>VAT</cbc:ID>TaxSchemeItem