This release from Peppol includes changes to the mandatory validation artefacts for all published Peppol BIS 3.0 documents. For details about changes in this release consult the release notes.
For other BIS: https://docs.peppol.eu/poacc/upgrade-3/release-notes/
The BIS 3.0 specifications in this release are mandatory from Monday 30 May 2022 12:00 CET. Please prepare implementation and support for this release as soon as possible to be ready for the mandatory deadline.