`CII-DT-097`

Date time string with format attribute 102 shall be YYYYMMDD.

Official rule text

[CII-DT-097] - Date time string with format attribute 102 shall be YYYYMMDD.

[CII-DT-097]-Date time string with format attribute 102 shall be YYYYMMDD.
ZUGFeRD / Factur-X (2.5.2)

Where the rule applies

Rule set	Document type	Severity
XRechnung with the CEN EN 16931 rules (3.0.2) KoSIT, CEN	EN16931 XRechnung (CII), EN16931 XRechnung Extension (CII), EN16931 XRechnung CVD (CII), EN16931 (CII)	fatal
ZUGFeRD / Factur-X (2.5.2) FeRD, FNFE-MPE	Factur-X EXTENDED (CII)	error
French rules BR-FR, EXTENDED-CTC-FR (1.4.0.04) FNFE-MPE	EXTENDED-CTC-FR (CII)	fatal
CIUS-RO (1.0.9) Romanian Ministry of Finance	CIUS-RO (CII): EN 16931 only	fatal

Fatal and error findings make the invoice invalid (valid: false); warnings and information do not.

Technical check

Syntax: CII · CIUS-RO (1.0.9), French rules BR-FR, EXTENDED-CTC-FR (1.4.0.04), XRechnung with the CEN EN 16931 rules (3.0.2), ZUGFeRD / Factur-X (2.5.2)
Context: //udt:DateTimeString[@format = '102']
Test (must be true): matches(.,'^\s*(\d{4})(1[0-2]|0[1-9]){1}(3[01]|[12][0-9]|0[1-9]){1}\s*$')

How the API reports this rule

Every finding of POST /v1/validate carries the rule id, severity, message, location (XPath) and rule set, and links this page (docUrl):

{
  "severity": "fatal",
  "ruleId": "CII-DT-097",
  "message": "[CII-DT-097] - Date time string with format attribute 102 shall be YYYYMMDD.",
  "xpath": "/…",
  "source": "schematron:xrechnung@3.0.2",
  "docUrl": "https://einvoice-api.eu/rules/cii-dt-097.html"
}

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Rule text and severity are taken unchanged from the official rule set; this page is generated from the API's configuration. Not legal advice.