BEAst: T0125/T6338, Despatch Advice Number/Order Receipt Number. Peppol: An transaction instance must contain an identifier. The identifier enables positive referencing the document instance for various purposes including referencing between transactions that are part of the same process.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
udt:IdentifierType
Example value
5658999
Business terms
tir16-003