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Seller tax representative VAT identifier

BT-63 (Seller tax representative VAT identifier) is a business term of EN 16931, the European e-invoicing standard. This page shows where the field lives in a UBL invoice, how often it may appear and which validation rules check it.

VAT number of the tax representative.

Group: BG-11 (Seller tax representative)

Cardinality: 1..1

UBL element: cac:TaxRepresentativeParty/cac:PartyTaxScheme/cbc:CompanyID

Example value: NL999999999B01

Validation rules that check this field

• BR-CO-9VAT identifier is missing its country prefix