Montana Title 2. Government Structure and Administration § 2-1-214. Concurrent jurisdiction of the United States over certain lands dedicated to national park purposes

(1) Concurrent jurisdiction over crimes and offenses under the laws of the state is ceded to the United States over and within all the lands dedicated to national park purposes in the following tracts:

(2) The concurrent jurisdiction ceded by subsection (1) is vested upon acceptance by the United States by and through its appropriate officials and shall continue so long as the lands within the designated areas are dedicated to park purposes.