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BR-S-01

Lines, allowances or charges use the VAT category "standard rated" (S), but the VAT breakdown (BG-23) does not list it correctly

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

What the message means

Lines, allowances or charges use the VAT category "standard rated" (S), but the VAT breakdown (BG-23) does not list it correctly.

What the issuer needs to change

Add a VAT breakdown entry for S (one per rate).

Fields concerned

BG-20 document level allowances
BG-21 document level charges
BG-23 VAT breakdown
BG-25 invoice line
BT-95 document level allowance VAT category code
BT-102 document level charge VAT category code
BT-118 VAT category code
BT-151 invoiced item VAT category code

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Origin

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

Original rule text

An Invoice that contains an Invoice line (BG-25), a Document level allowance (BG-20) or a Document level charge (BG-21) where the VAT category code (BT-151, BT-95 or BT-102) is "Standard rated" shall contain in the VAT breakdown (BG-23) at least one VAT category code (BT-118) equal with "Standard rated".

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

Technical details for IT

UBL

Context: /ubl:Invoice | /cn:CreditNote
Test: not(((count(//cac:AllowanceCharge/cac:TaxCategory[normalize-space(cbc:ID) = 'S']) + count(//cac:ClassifiedTaxCategory[normalize-space(cbc:ID) = 'S'])) > 0 and count(cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'S']) > 0) or ((count(//cac:AllowanceCharge/cac:TaxCategory[normalize-space(cbc:ID) = 'S']) + count(//cac:ClassifiedTaxCategory[normalize-space(cbc:ID) = 'S'])) = 0 and count(cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'S']) = 0))

CII

Context: /rsm:CrossIndustryInvoice
Test: not(((count(//ram:SpecifiedLineTradeSettlement/ram:ApplicableTradeTax[ram:CategoryCode='S']) + count(//ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax[ram:CategoryCode='S'])) >=2 or not (//ram:SpecifiedLineTradeSettlement/ram:ApplicableTradeTax[ram:CategoryCode='S'])) and      ((count(//ram:CategoryTradeTax[ram:CategoryCode='S']) + count(//ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax[ram:CategoryCode='S'])) >=2 or not (//ram:CategoryTradeTax[ram:CategoryCode='S'])))

Related rules

BR-O-12Lines, allowances or charges with other VAT categories appear next to "not subject to VAT"
BR-O-13Lines, allowances or charges with other VAT categories appear next to "not subject to VAT"
BR-O-14Lines, allowances or charges with other VAT categories appear next to "not subject to VAT"
BR-S-02For lines with "standard rated" (S), the seller's VAT number or tax number (BT-31, BT-32) is missing
BR-S-03For an allowance with "standard rated" (S), the seller's VAT number or tax number (BT-31, BT-32) is missing
BR-S-04For a charge with "standard rated" (S), the seller's VAT number or tax number (BT-31, BT-32) is missing

All validation rules

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