Montana Title 61. Motor Vehicles § 61-4-143. Unlawful curbstoning of vehicle for sale

(a) the display or parking of the motor vehicle is incidental to actual operation and immediate use of the motor vehicle by the motor vehicle owner;

(b) the motor vehicle owner obtains the written consent of the real property owner, lessee, or agent of the owner or lessee on whose property the motor vehicle is displayed and posts the written consent or a copy of the written consent in the front or rear window of the motor vehicle; or

(c) unless otherwise prohibited by local ordinance, the motor vehicle is displayed on a public street that is adjacent to real property in which the person offering the motor vehicle for sale has a legal interest.

(a) is subject to a written warning for the first violation; and

(b) for a second or subsequent violation, is guilty of a misdemeanor and upon conviction may be fined an amount not less than $250 and not more than $500.