BLM rules and regulations for off-road vehicles and off-road vehicle areas are codified under…
§ 8342.3 Designation changes.
Monitoring use. The authorized officer shall monitor effects of the use of off-road vehicles. On the basis of information so obtained, and whenever the authorized officer deems it necessary to carry out the objectives of this part, designations may be amended, revised, revoked, or other actions taken pursuant to the regulations in this part.