41 CFR § 102-173.95
Are there any restrictions on the use of the dot-gov domain name?
June 9, 2020
The General Services Administration approves domain names for a specific term of time, generally two years unless otherwise stated, and under conditions of use. General conditions of registration and are posted at the registration Web site at http://www.nic.gov and may be modified over time. Organizations that operate web sites that are not in compliance with the conditions of use may have their domain name terminated.