BT-18

Invoiced object identifier

BT-18 (Invoiced object 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.

Identifier of an object the invoice is based on (e.g. meter).

Cardinality: 0..1

UBL element: cac:AdditionalDocumentReference/cbc:ID (schemeID=130)

Example value: METER-8842

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