Mich. Comp. Laws § 324.80164
The department may authorize the holding of regattas, motorboat or other boat races, marine parades, tournaments, or exhibitions, or trials for those events, on any waters of this state. The department shall promulgate and may amend rules concerning the conduct of such marine events. Whenever a regatta, motorboat or other boat race, marine parade, tournament, or exhibition, or trials for those events, is proposed to be held, the person in charge of the event, at least 30 days prior to the event, shall file an application with the department for permission to hold the regatta, motorboat or other boat race, marine parade, tournament, exhibition, or trials. The application shall set forth the date, time, and location where it is proposed to hold the regatta, motorboat or other boat race, marine parade, tournament, or exhibition, and it shall not be conducted without the written authorization of the department.
MCL 324.80164