Tag
Posts tagged #validation
2 post(s) under this tag.
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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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Why two PDF/A validators are better than one
Single-engine PDF/A conformance results are not audit-grade. Why dual-engine validation matters — and how to run it free at gpdf.com/validator/.