`BR-FXEXT-CII-DT-097a`

Date time string with format attribute 205 shall be YYYYMMDDHHMMSS.

Official rule text

[BR-FXEXT-CII-DT-097a]-Date time string with format attribute 205 shall be YYYYMMDDHHMMSS.

Where the rule applies

Rule set	Document type	Severity
ZUGFeRD / Factur-X (2.5.2) FeRD, FNFE-MPE	Factur-X EXTENDED (CII)	error

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

Technical check

Syntax: CII · ZUGFeRD / Factur-X (2.5.2)
Context: //udt:DateTimeString[@format = '205']
Test (must be true): matches(., '^\s*(\d{4})(1[0-2]|0[1-9])(3[01]|[12][0-9]|0[1-9])([01][0-9]|2[0-3])[0-5][0-9]\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": "error",
  "ruleId": "BR-FXEXT-CII-DT-097a",
  "message": "[BR-FXEXT-CII-DT-097a]-Date time string with format attribute 205 shall be YYYYMMDDHHMMSS.",
  "xpath": "/…",
  "source": "schematron:zugferd@2.5.2",
  "docUrl": "https://einvoice-api.eu/rules/br-fxext-cii-dt-097a.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.