# DT-CIUS-PT-166

Source: https://xmlvalid.com/rules/DT-CIUS-PT-166

> Amount due for payment (BT-115) = Invoice total amount with VAT (BT-112) -Paid amount (BT-113) +Rounding amount (BT-114), with an acceptance range of 1.00 € (it does not mean that this tolerance is accepted by the customer).

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `cac:LegalMonetaryTotal`
- Test: `(xs:decimal(cbc:PrepaidAmount) and not(xs:decimal(cbc:PayableRoundingAmount)) and (round((xs:decimal(cbc:TaxInclusiveAmount) - xs:decimal(cbc:PrepaidAmount)) * 10 * 10) div 100) <= (xs:decimal(cbc:PayableAmount) + 1.00) and (round((xs:decimal(cbc:TaxInclusiveAmount) - xs:decimal(cbc:PrepaidAmount)) * 10 * 10) div 100) >= (xs:decimal(cbc:PayableAmount) - 1.00)) or (not(xs:decimal(cbc:PrepaidAmount)) and not(xs:decimal(cbc:PayableRoundingAmount)) and xs:decimal(cbc:TaxInclusiveAmount) <= (xs:decimal(cbc:PayableAmount) + 1.00) and xs:decimal(cbc:TaxInclusiveAmount) >= (xs:decimal(cbc:PayableAmount) - 1.00)) or (xs:decimal(cbc:PrepaidAmount) and xs:decimal(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) + 1.00)) 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) - 1.00))) or (not(xs:decimal(cbc:PrepaidAmount)) and xs:decimal(cbc:PayableRoundingAmount) and (round((xs:decimal(cbc:PayableAmount) - xs:decimal(cbc:PayableRoundingAmount)) * 10 * 10) div 100) <= (xs:decimal(cbc:TaxInclusiveAmount) + 1.00) and (round((xs:decimal(cbc:PayableAmount) - xs:decimal(cbc:PayableRoundingAmount)) * 10 * 10) div 100) >= (xs:decimal(cbc:TaxInclusiveAmount) - 1.00))`

Validate a document against these rules: https://xmlvalid.com/validate