XRechnung Schematron 1.2.1 compatible with XRechnung 1.2.1

This release is compatible to XRechnung 1.2.1.

Please note that this version number is only by chance the same version number as XRechnung!

Added

• License.md
• Apache 2.0 License to this work
• CEN License statement
• OpenPeppol BIS 3.0 material incl.
  • specific test instances
  • BIS Version of Schematron rules

Changed

• README.md includes the new section „Technical Coverage of the National Business Rules in the Validation Artefacts