Validates XML documents with XML Schema and Schematron

Converter for EN16931 invoices from CII to UBL

A set of preconfigured rules for the phive engine

create xml invoice conforming to CIUS XRechnung or €uropean standard EN16931

Java-App for creating and validating Factur-X / ZuGFeRD / X-Rechnung invoices conforming with EU-Norm EN 16931.

The Saxon XSLT Processor is using the accurate decimal-based floating-point arithmetic and half-up rounding for VAT rounding according to EU law. According to Europen Norm EN16931:2024

Java libraries to support EN 16931

Converter for EN 16931 invoices from UBL 2.1 to CII D16B

CEN/TC 434 Registry Services

A small service which allows to validate XML against PEPPOL BIS Billing schematron rules

Mapping between ebInterface v4.x, v5.x and v6.x and the German XRechnung UBL

Converter for EN16931 invoices from UBL2.1 to CII16B

A small service to validate XML against PEPPOL BIS 3.X, XRechnung 3.X, factur-x 1.07 or EN16931 rules

[vibed] sample implementations and other extractions from the XRechnung standard

Java tool that monitors EC EN16931 registry and downloads EU code lists. Features 3-phase workflow (analyze/compare/download), organized storage, Git-trackable CSV tracking, deterministic ZIP packaging by effective date, automatic GitHub releases with checksums, and sanity checks.