Montana Title 45. Crimes § 45-6-210. Criminal trespass by unmanned aerial vehicle--exceptions

(a) conducted by a unit or agency of the federal government, the state, or a tribal or local government, including any individual conducting an operation pursuant to contract or other agreement entered into with the unit or agency, for the purpose of protecting the public safety, environment, and welfare, including firefighting, law enforcement, and emergency response;

(b) by a peace officer acting in accordance with 46-5-109;

(c) within the boundaries of an easement with the permission of the owner of the dominant tenement;

(d) being used by an employee or contractor of a utility as defined in 69-5-102 or a provider of broadband service as defined in 90-1-602 to help assess property damage or catastrophe damage or to inspect property and equipment, including cell towers and wireless telecommunications infrastructure and including the deployment of drones;  or

(e) by an owner or operator of the system who has an active license issued by the federal aviation administration and is operating the system for legitimate business purposes in a manner consistent with applicable federal aviation administration rules, licenses, and exemptions.