`SDI-00417`

1.4.1.1 <IdFiscaleIVA> and 1.4.1.2 <CodiceFiscale> of the buyer are both missing; give at least one of them.

Official rule text

SDI 00417: 1.4.1.1 <IdFiscaleIVA> and 1.4.1.2 <CodiceFiscale> of the buyer are both missing; give at least one of them.

Where the rule applies

Rule set	Document type	Severity
FatturaPA (XML schema, SDI controls) (1.2.3) Agenzia delle Entrate	FatturaPA 1.2.3 FPR12 (B2B), FatturaPA 1.2.3 FPA12 (public sector)	error

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

Technical check

Syntax: FATTURAPA · FatturaPA (XML schema, SDI controls) (1.2.3)
Condition: exists($buyer) and empty($buyer/IdFiscaleIVA) and normalize-space($buyer/CodiceFiscale) = ''

Syntax: UBL · FatturaPA (XML schema, SDI controls) (1.2.3)
Condition: exists($buyer) and empty($buyer/IdFiscaleIVA) and normalize-space($buyer/CodiceFiscale) = ''

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": "SDI-00417",
  "message": "SDI 00417: 1.4.1.1 <IdFiscaleIVA> and 1.4.1.2 <CodiceFiscale> of the buyer are both missing; give at least one of them.",
  "xpath": "/…",
  "source": "schematron:fatturapa@1.2.3",
  "docUrl": "https://einvoice-api.eu/rules/sdi-00417.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.