Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Reference Information for the Software Verification and Validation Process



D Wallace, L M. Ippolito, B B. Cuthill
Special Publication (NIST SP) - 500-234
Report Number
Created April 1, 1996, Updated November 10, 2018