An identifier assigned by the Buyer used for internal routing purposes. An invoice must have buyer reference or purchase order reference (BT-13).

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Text
Example value
abs1234
Business terms
BT-10
Rules
Identifier/Error message Flag
PEPPOL-EN16931-R003
A buyer reference or purchase order reference MUST be provided.
fatal