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BR-CL-17

A VAT category is not a valid code

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

What the message means

A VAT category is not a valid code.

What the issuer needs to change

Use a valid code, for example S for standard rated.

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Origin

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

Original rule text

Invoice tax categories MUST be coded using UNCL5305 code list

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

Technical details for IT

UBL

Context: cac:TaxCategory/cbc:ID
Test: not(( ( not(contains(normalize-space(.),' ')) and contains( ' AE L M E S Z G O K B ',concat(' ',normalize-space(.),' ') ) ) ))

CII

Context: ram:CategoryTradeTax/ram:CategoryCode
Test: not(((not(contains(normalize-space(.), ' ')) and contains(' AE L M E S Z G O K B ', concat(' ', normalize-space(.), ' ')))))

Related rules

BR-CL-14A country code is not a valid ISO 3166-1 code
BR-CL-15A country code is not a valid ISO 3166-1 code
BR-CL-16The payment means code (BT-81) is not allowed
BR-CL-18A VAT category is not a valid code
BR-CL-19An allowance reason code is not allowed
BR-CL-20A charge reason code is not allowed

All validation rules

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