Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.80126

Sec. 80126. (1) A dealer shall apply for and obtain from the secretary of state dealer certificates of number and dealer decals for each vessel of the dealer that is tested, demonstrated, or otherwise operated. Upon receipt of an application in a form approved by the secretary of state and payment of $30.00 for each set of dealer certificates of number and dealer decals, the secretary of state shall issue to the applicant the dealer certificates of number and dealer decals. A single dealer certificate of number and dealer decal issued pursuant to this section may be used on only 1 vessel at a time.

(2) The operator of a vessel governed by this section shall do each of the following:

(3) A person shall not operate a vessel numbered under this section unless the dealer is on board the vessel or the operator has the written authorization of the dealer to operate the vessel. A person shall not use a vessel numbered under this section for commercial purposes that include the rental of the vessel or the carrying of passengers for hire on the vessel.