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BR-O-09

With "not subject to VAT" (O) the VAT amount in the breakdown (BT-117) must be 0

Validation rule of EN 16931 (CEN, rule set 1.3.16) · Level: Error

What the message means

With "not subject to VAT" (O) the VAT amount in the breakdown (BT-117) must be 0.

What the issuer needs to change

Set the VAT amount to 0 or check the category.

Fields concerned

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Origin

Rule set
EN 16931 (CEN, rule set 1.3.16)
Syntax
CII, UBL
Level
Error

Original rule text

The VAT category tax amount (BT-117) in a VAT breakdown (BG-23) where the VAT category code (BT-118) is "Not subject to VAT" shall be 0 (zero).

Source: CEN/TC 434, EN 16931 validation rules 1.3.16, European Union Public Licence 1.2

Technical details for IT

UBL

Context: /*/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'O'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']
Test: not(xs:decimal(../cbc:TaxAmount) = 0)

CII

Context: //rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax[ram:CategoryCode = 'O'][upper-case(ram:TypeCode) = 'VAT']
Test: not(ram:CalculatedAmount = 0)

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Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).