Mich. Comp. Laws § 257.791c: Animals, other than service or qualified animals prohibited on or in streetcar or station; violation as civil infraction; definitions.

Sec. 791c.

(1) A person shall not bring, carry, or transport an animal other than a service animal or qualified animal on a streetcar or in any area of a station used by a street railway system.

(2) A person who violates this section is responsible for a civil infraction.

(3) As used in this section:

(a) "Qualified animal" means an animal that is not more than 25 pounds and is controlled in a cage.

(b) "Service animal" means that term as defined in section 502c of the Michigan penal code, 1931 PA 328, MCL 750.502c.