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KSEF-STRUCT-001 · KSeF · FA(3)

KSeF FA(3): missing “Faktura” root element

The XML file does not match the expected FA(3) document structure at root level.

FA(3)Dernière revue métier: 2026-07-05

Signification

The XML file does not match the expected FA(3) document structure at root level.

Cause typique

An internal intermediate format, wrapper or XML export from another system was often uploaded.

Champs / chemins XML concernés

/KSeFInvoice/Faktura

Exemple incorrect

<KSeFInvoice><Invoice>…</Invoice></KSeFInvoice>

Exemple corrigé

<Faktura xmlns="http://crd.gov.pl/wzor/...">…</Faktura>

Étapes de correction

  1. Identify the XML source.
  2. Use the FA(3) generator instead of an internal wrapper.
  3. Validate namespace and root again.