The Uniform Resource Identifier (URI) that identifies where the external document is located.

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Text
Example value
http://www.example.com/index.html
Business terms
tir110-104
Rules
Identifier/Error message Flag
EHF-T110-B21401
Document MUST NOT contain elements not part of the data model.
fatal