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    XRechnung validator

    Validates UBL and CII against EN 16931 and XRechnung 3.0.2.

    Rules and versions used

    Ruleset XRechnung 3.0.2, as of 31 August 2026

    Up to 25 MiB per file and in total for embedded XML files. Validation stops after 30 seconds at most.

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