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E-Invoice Validator

XSD

The XML schema that validates the structure of an invoice file.

XSD describes which elements are allowed in which order and with which data type. The XSD check is the first stage of validation.

It only checks the structure, not the commercial logic: a structurally sound XML can still contain incorrect totals.

The schemas come from OASIS for UBL and from UN/CEFACT for CII.

See also

Status: 12.10.2026