BR-CO-17
VAT category tax amount (BT-117) = VAT category taxable amount (BT-116) x (VAT category rate (BT-119) / 100), rounded to two decimals.
What does this rule mean?
The tax amount of a breakdown (BT-117) is not the taxable amount times the rate.
BT-117 = BT-116 × BT-119 / 100, rounded to two decimals. A deviation means either the rate is wrong or rounding happened where it must not.
- BT-116
- VAT category taxable amount
- BT-117
- VAT category tax amount
- BT-119
- VAT category rate
Official rule message (standard)
VAT category tax amount (BT-117) = VAT category taxable amount (BT-116) x (VAT category rate (BT-119) / 100), rounded to two decimals.
Where the rule applies
Syntax: CII · UBL
The same rule, expressed twice: UBL and CII name the same fields with different paths. Running a CII file against the UBL rules is why you get errors that mean nothing.
UBL
cac:TaxTotal/cac:TaxSubtotal
CII
//ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax
Technical test
The rule passes when this Schematron expression holds true:
(round(.[normalize-space(upper-case(ram:TypeCode)) = 'VAT']/xs:decimal(ram:RateApplicablePercent)) = 0 and (round(xs:decimal(ram:CalculatedAmount)) = 0)) or (round(.[normalize-space(upper-case(ram:TypeCode)) = 'VAT']/xs:decimal(ram:RateApplicablePercent)) != 0 and ((abs(xs:decimal(ram:CalculatedAmount)) - 1 <= round(abs(xs:decimal(ram:BasisAmount)) * (.[normalize-space(upper-case(ram:TypeCode)) = 'VAT']/xs:decimal(ram:RateApplicablePercent) div 100) * 10 * 10) div 100 ) and (abs(xs:decimal(ram:CalculatedAmount)) + 1 >= round(abs(xs:decimal(ram:BasisAmount)) * (.[normalize-space(upper-case(ram:TypeCode)) = 'VAT']/xs:decimal(ram:RateApplicablePercent) div 100) * 10 * 10) div 100 ))) or (not(exists(.[normalize-space(upper-case(ram:TypeCode))='VAT']/xs:decimal(ram:RateApplicablePercent))) and (round(xs:decimal(ram:CalculatedAmount)) = 0))How to fix it
Touches amounts, VAT or IBAN. We never change these automatically — correct them in your source data.
Recompute the tax amount from BT-116 and BT-119, rounding only at the end.
Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.
Check an e-invoice here
Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.