Mich. Comp. Laws § 124.466: Exemption of public authority from certain acts in exercise of powers.

Sec. 16.

In the exercise of its powers within the boundaries of the public authority, a public authority is exempt from the motor carrier act, Act No. 254 of the Public Acts of 1933, being sections 475.1 to 479.20 of the Michigan Compiled Laws; Act No. 3 of the Public Acts of 1939, being sections 460.1 to 460.8 of the Michigan Compiled Laws; and Act No. 432 of the Public Acts of 1982, being sections 474.101 to 474.141 of the Michigan Compiled Laws.