Mich. Comp. Laws § 3.192

Sec. 2. (1) After receiving from an officer, department, agency, or instrumentality of the United States a notice of relinquishment of federal jurisdiction, the governor shall send to the officer, department, agency, or instrumentality of the United States the state's written acceptance of jurisdiction, including the date upon which the acceptance shall become effective. (2) A notice of relinquishment of federal jurisdiction and all documents constituting the state's acceptance of jurisdiction shall be recorded in the office of register of deeds for county or counties in which the federal lands or interests in lands are located, and then shall be filed with and retained by the secretary of state. (3) The attorney general shall prepare all state documents or instruments necessary to constitute the state's acceptance of jurisdiction.