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Posts tagged #e-invoice

3 post(s) under this tag.

  1. #pdf-a#compliance#archival

    PDF/A-3 explained — and how to verify your file is actually compliant

    PDF/A-3 is the only PDF/A profile that legally holds embedded attachments — the basis for Factur-X / ZUGFeRD e-invoicing. How it differs from PDF/A-2, what to check, and a free dual-engine validator.

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  2. #e-invoice#zugferd#factur-x

    Validating ZUGFeRD with Mustang — what passes, what fails, and why

    Mustang is the de-facto Factur-X / ZUGFeRD reference checker. A walkthrough of the common failure modes when embedding CII XML in a PDF/A-3 — and how to verify before you ship.

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  3. #pdf-a#factur-x#zugferd

    PDF/A and Factur-X explained for engineers (without the legalese)

    What PDF/A profiles actually mean, why Factur-X is mandatory in the EU by 2026, and the smallest practical pipeline for getting compliant from a JSON renderer.

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