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BR-CL-06

The VAT point date code (BT-8) is not allowed

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

What the message means

The VAT point date code (BT-8) is not allowed.

What the issuer needs to change

Use a valid code or leave it out.

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

Value added tax point date code MUST be coded using a restriction of UNTDID 2005.

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

Technical details for IT

UBL

Context: cac:InvoicePeriod/cbc:DescriptionCode
Test: not(((not(contains(normalize-space(.), ' ')) and contains(' 3 35 432 ', concat(' ', normalize-space(.), ' ')))))

CII

Context: ram:DueDateTypeCode
Test: not(((not(contains(normalize-space(.), ' ')) and contains(' 5 29 72 ', concat(' ', normalize-space(.), ' ')))))

Related rules

All validation rules

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