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BR-CL-22

The VAT exemption reason code (BT-121) is not allowed

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

What the message means

The VAT exemption reason code (BT-121) is not allowed.

What the issuer needs to change

Use a valid VATEX code or give the reason as text.

Fields concerned

BT-121 VAT exemption reason code

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Origin

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

Original rule text

Tax exemption reason code identifier scheme identifier MUST belong to the CEF VATEX 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: cbc:TaxExemptionReasonCode
Test: not(((not(contains(normalize-space(.), ' ')) and contains(' VATEX-EU-79-C VATEX-EU-132 VATEX-EU-132-1A VATEX-EU-132-1B VATEX-EU-132-1C VATEX-EU-132-1D VATEX-EU-132-1E VATEX-EU-132-1F VATEX-EU-132-1G VATEX-EU-132-1H VATEX-EU-132-1I VATEX-EU-132-1J VATEX-EU-132-1K VATEX-EU-132-1L VATEX-EU-132-1M VATEX-EU-132-1N VATEX-EU-132-1O VATEX-EU-132-1P VATEX-EU-132-1Q VATEX-EU-135-1 VATEX-EU-143 VATEX-EU-143-1A VATEX-EU-143-1B VATEX-EU-143-1C VATEX-EU-143-1D VATEX-EU-143-1E VATEX-EU-143-1F VATEX-EU-143-1FA VATEX-EU-143-1G VATEX-EU-143-1H VATEX-EU-143-1I VATEX-EU-143-1J VATEX-EU-143-1K VATEX-EU-143-1L VATEX-EU-144 VATEX-EU-146-1E VATEX-EU-159 VATEX-EU-309 VATEX-EU-148 VATEX-EU-148-A VATEX-EU-148-B VATEX-EU-148-C VATEX-EU-148-D VATEX-EU-148-E VATEX-EU-148-F VATEX-EU-148-G VATEX-EU-151 VATEX-EU-151-1A VATEX-EU-151-1AA VATEX-EU-151-1B VATEX-EU-151-1C VATEX-EU-151-1D VATEX-EU-151-1E VATEX-EU-G VATEX-EU-O VATEX-EU-IC VATEX-EU-AE VATEX-EU-D VATEX-EU-F VATEX-EU-I VATEX-EU-J VATEX-FR-FRANCHISE VATEX-FR-CNWVAT VATEX-EU-153 VATEX-FR-CGI261-1 VATEX-FR-CGI261-2 VATEX-FR-CGI261-3 VATEX-FR-CGI261-4 VATEX-FR-CGI261-5 VATEX-FR-CGI261-7 VATEX-FR-CGI261-8 VATEX-FR-CGI261A VATEX-FR-CGI261B VATEX-FR-CGI261C-1 VATEX-FR-CGI261C-2 VATEX-FR-CGI261C-3 VATEX-FR-CGI261D-1 VATEX-FR-CGI261D-1BIS VATEX-FR-CGI261D-2 VATEX-FR-CGI261D-3 VATEX-FR-CGI261D-4 VATEX-FR-CGI261E-1 VATEX-FR-CGI261E-2 VATEX-FR-CGI277A VATEX-FR-CGI275 VATEX-FR-298SEXDECIESA VATEX-FR-CGI295 VATEX-FR-AE ', concat(' ', normalize-space(upper-case(.)), ' ')))))

CII

Context: ram:ExemptionReasonCode
Test: not(((not(contains(normalize-space(.), ' ')) and contains(' VATEX-EU-79-C VATEX-EU-132 VATEX-EU-132-1A VATEX-EU-132-1B VATEX-EU-132-1C VATEX-EU-132-1D VATEX-EU-132-1E VATEX-EU-132-1F VATEX-EU-132-1G VATEX-EU-132-1H VATEX-EU-132-1I VATEX-EU-132-1J VATEX-EU-132-1K VATEX-EU-132-1L VATEX-EU-132-1M VATEX-EU-132-1N VATEX-EU-132-1O VATEX-EU-132-1P VATEX-EU-132-1Q VATEX-EU-135-1 VATEX-EU-143 VATEX-EU-143-1A VATEX-EU-143-1B VATEX-EU-143-1C VATEX-EU-143-1D VATEX-EU-143-1E VATEX-EU-143-1F VATEX-EU-143-1FA VATEX-EU-143-1G VATEX-EU-143-1H VATEX-EU-143-1I VATEX-EU-143-1J VATEX-EU-143-1K VATEX-EU-143-1L VATEX-EU-144 VATEX-EU-146-1E VATEX-EU-159 VATEX-EU-309 VATEX-EU-148 VATEX-EU-148-A VATEX-EU-148-B VATEX-EU-148-C VATEX-EU-148-D VATEX-EU-148-E VATEX-EU-148-F VATEX-EU-148-G VATEX-EU-151 VATEX-EU-151-1A VATEX-EU-151-1AA VATEX-EU-151-1B VATEX-EU-151-1C VATEX-EU-151-1D VATEX-EU-151-1E VATEX-EU-G VATEX-EU-O VATEX-EU-IC VATEX-EU-AE VATEX-EU-D VATEX-EU-F VATEX-EU-I VATEX-EU-J VATEX-FR-FRANCHISE VATEX-FR-CNWVAT VATEX-EU-153 VATEX-FR-CGI261-1 VATEX-FR-CGI261-2 VATEX-FR-CGI261-3 VATEX-FR-CGI261-4 VATEX-FR-CGI261-5 VATEX-FR-CGI261-7 VATEX-FR-CGI261-8 VATEX-FR-CGI261A VATEX-FR-CGI261B VATEX-FR-CGI261C-1 VATEX-FR-CGI261C-2 VATEX-FR-CGI261C-3 VATEX-FR-CGI261D-1 VATEX-FR-CGI261D-1BIS VATEX-FR-CGI261D-2 VATEX-FR-CGI261D-3 VATEX-FR-CGI261D-4 VATEX-FR-CGI261E-1 VATEX-FR-CGI261E-2 VATEX-FR-CGI277A VATEX-FR-CGI275 VATEX-FR-298SEXDECIESA VATEX-FR-CGI295 VATEX-FR-AE ', concat(' ', normalize-space(upper-case(.)), ' ')))))

Related rules

BR-CL-19An allowance reason code is not allowed
BR-CL-20A charge reason code is not allowed
BR-CL-21The scheme of an item standard identifier (BT-157) is not allowed
BR-CL-23A unit of measure is not a valid code
BR-CL-24The file type of an attachment (BT-125) is not allowed
BR-CL-25The scheme of an electronic address (BT-34 or BT-49) is not a valid code

All validation rules

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