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  4. cac:AdditionalDocumentReference
  5. cbc:ID

cbc:ID

An identifier for an object on which the invoice is based, given by the Seller, or the identifier for the supporting document. When document type code is either "sgdtotal-excl-gst" or "sgdtotal-incl-gst" then this is the currency code "SGD" (Singapore dollars) for the amount given in the description.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
Example value
AB23456
Business terms
BT-18, BT-122
Attributes
Use Name Description
O @schemeID

Scheme identifier
The identification scheme identifier of the Invoiced object identifier.

Example value: AUN

Rules
Identifier/Error message Flag
BR-52
[BR-52]-Each Additional supporting document (BG-24) shall contain a Supporting document reference (BT-122).		 fatal
BR-103-GST-SG
[BR-103-GST-SG]- When providing Total Amount including GST in SGD, element ID must be set to the code value SGD		 fatal
BR-104-GST-SG
[BR-104-GST-SG]- When providing Total Amount excluding GST in SGD, element ID must be set to the code value SGD		 fatal