How to download the new NIEM 3.0 (real version)?
NIEM 3.0 will be a major release, building on the current active release NIEM version 2.1. All the information that relate to the 3.0 can be found in the link below.
Please click on this link to download the NIEM 3.0 that just released: https://www.niem.gov/technical/Pages/current-release.aspx.
Click on the attachment file below to download all the release schemas for NIEM 3.0.