46-5-401. Investigative stop and frisk. (1) In order to obtain or verify an account of the person‘s presence or conduct or to determine whether to arrest the person, a peace officer may stop any person or vehicle that is observed in circumstances that create a particularized suspicion that the person or occupant of the vehicle has committed, is committing, or is about to commit an offense. If the stop is for a violation under Title 61, unless emergency circumstances exist or the officer has reasonable cause to fear for the officer’s own safety or for the public’s safety, the officer shall as promptly as possible inform the person of the reason for the stop.

Terms Used In Montana Code 46-5-401

  • Arrest: means taking a person into custody in the manner authorized by law. See Montana Code 46-1-202
  • Arrest: Taking physical custody of a person by lawful authority.
  • Offense: means a violation of any penal statute of this state or any ordinance of its political subdivisions. See Montana Code 46-1-202
  • Peace officer: means any person who by virtue of the person's office or public employment is vested by law with a duty to maintain public order and make arrests for offenses while acting within the scope of the person's authority. See Montana Code 46-1-202
  • Person: includes a corporation or other entity as well as a natural person. See Montana Code 1-1-201
  • Probable cause: A reasonable ground for belief that the offender violated a specific law.

(2)A peace officer who has lawfully stopped a person or vehicle under this section may:

(a)request the person’s name and present address and an explanation of the person’s actions and, if the person is the driver of a vehicle, demand the person’s driver’s license and the vehicle’s registration and proof of insurance; and

(b)frisk the person and take other reasonably necessary steps for protection if the officer has reasonable cause to suspect that the person is armed and presently dangerous to the officer or another person present. The officer may take possession of any object that is discovered during the course of the frisk if the officer has probable cause to believe that the object is a deadly weapon until the completion of the stop, at which time the officer shall either immediately return the object, if legally possessed, or arrest the person.

(3)A peace officer acting under subsection (2) while the peace officer is not in uniform shall inform the person as promptly as possible under the circumstances and in any case before questioning the person that the officer is a peace officer.