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BR-53

A separate VAT accounting currency (BT-6) is given, but not the VAT total in that currency (BT-111)

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

What the message means

A separate VAT accounting currency (BT-6) is given, but not the VAT total in that currency (BT-111).

What the issuer needs to change

Add the VAT total in that currency, or leave out BT-6.

Fields concerned

BT-6 VAT accounting currency
BT-111 invoice total VAT amount in accounting currency

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Origin

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

Original rule text

If the VAT accounting currency code (BT-6) is present, then the Invoice total VAT amount in accounting currency (BT-111) shall be provided.

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(every $taxcurrency in cbc:TaxCurrencyCode satisfies exists(//cac:TaxTotal/cbc:TaxAmount[@currencyID=$taxcurrency]))

CII

Context: //ram:SpecifiedTradeSettlementHeaderMonetarySummation
Test: not(not(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:TaxCurrencyCode) or (/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:TaxCurrencyCode and (ram:TaxTotalAmount/@currencyID = /rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:TaxCurrencyCode) and not(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:TaxCurrencyCode = /rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:InvoiceCurrencyCode)))

Related rules

BR-50A credit transfer is given but without an IBAN or account number (BT-84)
BR-51The invoice contains a full card number (BT-87)
BR-52Missing in an attachment: supporting document reference (BT-122)
BR-54An item attribute lacks its name or value (BT-160, BT-161)
BR-55Missing in the preceding invoice reference: preceding invoice reference (BT-25)
BR-56Missing for the tax representative: seller tax representative VAT identifier (BT-63)

All validation rules

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