An additional address line in a postal address that can be used to give further details supplementing the main line. Common use are secondary house number in a complex or in a building.

Cardinality
0..1
Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Text
Business terms
tir19-022
Rules
Identifier/Error message Flag
EHF-T19-B07501
Document MUST NOT contain elements not part of the data model.
fatal