(1) When the state receives written notification from the authorized official or agent of the United States of America that the United States desires or is willing to relinquish to the state jurisdiction, or a portion of jurisdiction, over certain lands owned by the United States within Montana that are used for national park or military purposes, the governor may accept relinquishment.
(2) After acceptance and approval by the governor, retrocession of jurisdiction becomes effective on filing of the original acceptance with the secretary of state of Montana.