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NIEM 5.0 Release Candidate 5 Available for Public Review and Comment

The NIEM 5.0 release candidate 5 (RC5) is available for public review and comment through Thursday, 22 October 2020. Several changes have been made to CUI components based on RC4 feedback. These are:

  • Removed “Document” class term from from several CUI element and type names
  • Replaced “LimitedDisseminationControl” with acronym “LDC” in CUI element and type names
  • Renamed element cui:RequiredIndicatorsPerAuthoritiesText

Please visit the NIEM Releases page for instructions on how to download the RC5 package. Please provide feedback by submitting a new 5.0 issue or by sending an email to by Thursday, 22 October 2020 .

At this point in the release cycle, we are working to get to a stable draft and are looking to address errors and bugs only. Other issues can be queued up for the next release. The final release of NIEM 5.0 is scheduled to be published this fall. At that time, 5.0 XML schemas and documentation will be published along with updates to NIEM specifications and tools.