A description of the supporting document, such as: timesheet, usage report etc. When used in combinations with Document type codes "sgdtotal-incl-gst" or "sgdtotal-excl-gst" then this is the SGD given as numeric with maximum 2 digits using a period as separator.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Text
Example value
Time list
Business terms
BT-123, BT-SG-001, BT-SG-002