Montana Code Annotated · § 61-8-1024 — Ignition interlock device -- assisting in starting and operating -- circumventing -- penalty

(1) It is unlawful for a person who is subject to a restriction under 61-8-1010 to operate a vehicle that is not equipped with an ignition interlock device.

(2) A person may not knowingly assist a person who is restricted to the use of an ignition interlock device to start and operate the restricted person's vehicle.

(3) A person may not knowingly circumvent the operation of an ignition interlock device.

(4) A person convicted of a violation of this section shall be punished by a fine of not more than $500 or by imprisonment for not more than 6 months or both.

(5) This section does not apply if:

(a) the starting of a motor vehicle or the request to start a motor vehicle equipped with an ignition interlock device is done for the purpose of safety or mechanical repair of the device or the vehicle; and

(b) the person subject to the restriction does not operate the vehicle.