BT-30

Seller legal registration identifier

BT-30 (Seller legal registration 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.

Company register number (e.g. KvK, Handelsregister).

Group: BG-4 (Seller)

Cardinality: 0..1

UBL element: cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID

Example value: 12345678

Browse the interactive EN 16931 mapper Check your invoice in the free validator