An additional address line in an address that can be used to give further details supplementing the main line.

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Text
Example value
Building 1
Rules
Identifier/Error message Flag
EHF-T19-B05301
Document MUST NOT contain elements not part of the data model.
fatal