# BR-CO-16-GST-SG

Source: https://xmlvalid.com/rules/BR-CO-16-GST-SG

> Amount due for payment (BT-115) = Invoice total amount with GST (BT-112-GST-SG) -Paid amount (BT-113) +Rounding amount (BT-114).

- Level: error
- Rule sets: PINT SG rules (Singapore) 1.4.1
- Context: `cac:LegalMonetaryTotal`
- Test: `((cbc:PrepaidAmount) and not((cbc:PayableRoundingAmount)) and (round(xs:decimal(cbc:PayableAmount) * 10 * 10) div 100 = (round((xs:decimal(cbc:TaxInclusiveAmount) - xs:decimal(cbc:PrepaidAmount)) * 10 * 10) div 100))) or (not((cbc:PrepaidAmount)) and not((cbc:PayableRoundingAmount)) and xs:decimal(cbc:PayableAmount) = xs:decimal(cbc:TaxInclusiveAmount)) or ((cbc:PrepaidAmount) and (cbc:PayableRoundingAmount) and ((round((xs:decimal(cbc:PayableAmount) - xs:decimal(cbc:PayableRoundingAmount)) * 10 * 10) div 100) = (round((xs:decimal(cbc:TaxInclusiveAmount) - xs:decimal(cbc:PrepaidAmount)) * 10 * 10) div 100))) or (not((cbc:PrepaidAmount)) and (cbc:PayableRoundingAmount) and ((round((xs:decimal(cbc:PayableAmount) - xs:decimal(cbc:PayableRoundingAmount)) * 10 * 10) div 100) = round(xs:decimal(cbc:TaxInclusiveAmount) * 10 * 10) div 100))`

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