The specification also includes an annotated sample file, and the file can be downloaded separately here.
A specification for the new ONIX Acknowledgement message is also available.
Instructions on how to enable Schematron is included in the documentation.Schema files (DTD, XSD and RNG) are also available for the initial release of the ONIX Acknowledgement message.This single zip file contains all versions, plus compatible codelist files. This advanced schema implements many validation rules that cannot be implemented in the ordinary schema files.covers 3.0 revision 5 (3.0.5), released October 2018.This revision is fully backward-compatible with earlier versions of the 3.0 specification.
, which are hyperlinked from the main specification document.