NIEM 3.1 Final Version

The final operational release of NIEM Version 3.1 has been published and is now available. NIEM 3.1 is a minor release that incorporates user needs since NIEM 3.0 was launched in November 2013.

NIEM 3.1 highlights:

One new domain has added content to the model for the first time:

Six existing domains have updated their model content:

Two core supplements that apply to NIEM Core 3.0 are included:

NIEM 3.1 marks the first time we have exercised the new Version 3.0 architecture that allows:

The NIEM 3.1 Final Version Package is available at: