`KSEF-XSD-MAXOCCURS`

The element … occurs … times; the FA(3) schema allows at most ….

Official rule text

The element … occurs … times; the FA(3) schema allows at most ….

Where the rule applies

Rule set	Document type	Severity
KSeF FA(3) (XML schema) (FA3-1-0E) Polish Ministry of Finance	KSeF FA(3)	fatal

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

Technical check

Syntax: KSEF · KSeF FA(3) (XML schema) (FA3-1-0E)
Test (must be true): count(fa:{$element}) le {$max}

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": "KSEF-XSD-MAXOCCURS",
  "message": "The element … occurs … times; the FA(3) schema allows at most ….",
  "xpath": "/…",
  "source": "schematron:ksef@FA3-1-0E",
  "docUrl": "https://einvoice-api.eu/rules/ksef-xsd-maxoccurs.html"
}

Check an invoice against this rule and every other rule of the rule set – in the browser, without sign-up.

Validate an invoice for free Validate by API (100 documents a month free)

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