`BR-TMP-6`

Datumsangaben in UBL müssen im Format JJJJ-MM-TT (YYYY-MM-DD) übermittelt werden.

Official rule text

[BR-TMP-6] Datumsangaben in UBL müssen im Format JJJJ-MM-TT (YYYY-MM-DD) übermittelt werden.

Where the rule applies

Rule set	Document type	Severity
XRechnung with the CEN EN 16931 rules (3.0.2) KoSIT, CEN	EN16931 XRechnung (UBL Invoice), EN16931 XRechnung Extension (UBL Invoice), EN16931 XRechnung CVD (UBL Invoice), EN16931 XRechnung (UBL CreditNote), EN16931 XRechnung CVD (UBL CreditNote)	warning

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

Technical check

Syntax: UBL · XRechnung with the CEN EN 16931 rules (3.0.2)
Context: cbc:IssueDate | cbc:DueDate | cbc:StartDate | cbc:EndDate | cbc:ActualDeliveryDate | cbc:IssueDate | cbc:TaxPointDate | cbc:PaymentDueDate
Test (must be true): matches(normalize-space(text()), '^\d{4}-\d{2}-\d{2}$')

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": "warning",
  "ruleId": "BR-TMP-6",
  "message": "[BR-TMP-6] Datumsangaben in UBL müssen im Format JJJJ-MM-TT (YYYY-MM-DD) übermittelt werden.",
  "xpath": "/…",
  "source": "schematron:xrechnung@3.0.2",
  "docUrl": "https://einvoice-api.eu/rules/br-tmp-6.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.