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CII-DT-097

A date is not in the format YYYYMMDD (format code 102)

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

What the message means

A date is not in the format YYYYMMDD (format code 102).

What the issuer needs to change

Give the date as YYYYMMDD, for example 20261023.

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Origin

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

Original rule text

Date time string with format attribute 102 shall be YYYYMMDD.

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

Technical details for IT

CII

Context: //udt:DateTimeString[@format = '102']
Test: not(matches(.,'^\s*(\d{4})(1[0-2]|0[1-9]){1}(3[01]|[12][0-9]|0[1-9]){1}\s*$'))

Related rules

All validation rules

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