Mont. Code Ann. § 44-15-104
44-15-104 Prohibition of continuous facial surveillance
44-15-104 . Prohibition of continuous facial surveillance. (1) A state or local government agency, law enforcement agency, public employee, or public official may not obtain, retain, possess, access, request, contract for, or use continuous facial surveillance.
(2) The use of facial recognition technology for facial verification, including any resulting data, may not be used to aid or assist in any type of continuous facial surveillance.