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  2. UBL Credit Note
  3. ubl:CreditNote
  4. cac:CreditNoteLine
  5. cac:Price
  6. cac:AllowanceCharge
  7. cbc:BaseAmount

cbc:BaseAmount

The unit price, exclusive of GST, before subtracting Item price discount, can not be negative

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Amount
Example value
123.45
Business terms
BT-148-GST
Attributes
Use Name Description
M @currencyID

Mandatory attribute. Use BT-5

Example value: SGD

Rules
Identifier/Error message Flag
BR-28
[BR-28]-The Item gross price (BT-148) shall NOT be negative.		 fatal