Announcing NIEM JSON Specification 4.0 Beta1 Available for Public Review and Comment

Thursday, June 11, 2020

The NIEM JSON Specification Version 4.0beta1 is now available for public review and comment. The NIEM JSON Specification establishes the technical basis for using JavaScript Object Notation (JSON) as a data format for exchange of information consistent with NIEM-conformant schemas and Information Exchange Package Documentations (IEPDs).

The specification can be found at Please submit comments on this specification as issues at by Friday, June 19, 2020.