Mich. Comp. Laws § 324.76506
The Mackinac Island state park commission may acquire by purchase, lease, grant, or transfer the use of certain state land in the county of Mackinac for the purpose of developing and restoring as an historical site the area in or near the location where Fort deBuade once stood. After the acquisition and restoration, the site shall be under the jurisdiction, management, and control of the Mackinac Island state park commission, and the commission shall have and exercise the same rights and powers over the site as it has and exercises over Mackinac Island state park, including the right to levy and collect fees for the use of the facilities at the site. All rules promulgated by the commission shall be effective within the whole territory covered by the park. The commission may promulgate and enforce rules relative to any part or portion of the park, notwithstanding any contrary or inconsistent ordinance, regulation, or bylaw of any political subdivision.
MCL 324.76506