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NIEM 5.0 Beta 1 Available for Public Review and Comment

We are pleased to announce that the NIEM 5.0 Beta 1 is available for review at  Please provide your comments by Friday, July 17, 2020

Major content changes include

  • Addition of Controlled Unclassified Information (CUI) metadata
  • Addition of content from the Generic Statistical Information Model (GSIM) content as a precursor to the upcoming Statistics domain
  • Addition of new content from the Public Health Emergency Operations Center (PH-EOC) Minimum Data Set to the Emergency Management domain
  • Major updates to the FBI NCIC, NDEx, and UCR code tables
  • Simplified release folder layout and the removal of version numbers from file paths
  • Updated character encoding (from US-ASCII to UTF-8) and addition of attribute xml:lang to the reference schemas for better international support
  • Updated structures and appinfo utility schemas as part of the upcoming Naming and Design Rule (NDR) Specification 5.0 update
  • Many harmonization content updates

 Please see the README file in the release for more changes and details. 

We value your input.  Post comments and feedback at or email

About the National Information Exchange Model

The National Information Exchange Model (NIEM) provides a model framework with rules and guidance designed to develop consistent and well-defined enterprise-level information exchanges. For more than fourteen years, NIEM has successfully supported information communities of interest with a shared need for data interoperability across the public and private sector, both nationally and internationally.

To learn more, please