Indicates the type of of the document that is being referenced. Code MUST be used as follows: "130" to indicate an invoice object reference, Code "sgdtotal-excl-gst" to indicate Invoice total with out GST in SGD, and code "sgdtotal-incl-gst" to indicate Invoice total with GST in SGD. Element is not used for other additional documents

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Code
Example value
130
Business terms
BT-18
Rules
Identifier/Error message Flag
UBL-SR-43-GST-SG
[UBL-SR-43-GST-SG]-AdditionalDocumentReference/DocumentTypeCode shall only be used for invoiced object (code 130), project reference in CreditNote (code 50) or total amounts including or excluding GST in SGD (code sgdtotal-incl-gst or sgdtotal-excl-gst)
fatal