einvoice documentation

• Quickstart — install and configure @normwerk/einvoice-medusa in a real Medusa v2 project, about 30 minutes.
• Configuration — every plugin option, generated from source.
• Mapping reference — which Medusa field feeds which EN 16931 BT/BG term.
• Supported countries — seller/buyer/delivery coverage by country, with target dates.
• Tax semantics — what the validator doesn't catch, one scenario per row with legal sources.
• PDF/A-3b, ZUGFeRD, Factur-X — how the plugin embeds an EN 16931 invoice into a PDF.
• Errors — every error class the packages throw.
• Glossary — BT/BG, XRechnung, ZUGFeRD, Leitweg-ID, Peppol, VIES in plain language.
• Sources — official artifacts used for code generation.
• Changelog — release history.

See also the portfolio-level how we verify for the conformance levels and validators behind these docs.