Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.2115

Sec. 15. (1) A local unit of government shall not impose a tax or fee upon or require a license for a limousine carrier, taxicab carrier, or transportation network company, a limousine driver, taxicab driver, or transportation network company driver, or a limousine, taxicab, or personal vehicle, if the tax, fee, or license is related to the provision of limousine or taxicab service or transportation network company prearranged rides. Except as otherwise provided in this section, a local unit of government shall not enact or enforce an ordinance regulating a limousine carrier, taxicab carrier, limousine driver, taxicab driver, or transportation network company. A local unit of government may issue a civil infraction to a limousine, taxicab, or transportation network company driver for a violation of section 11, 23(8), 41, or 45.  1

(2) Notwithstanding any other provision of this act, an article of incorporation in existence upon passage of this act covering a transportation network company, limousine carrier, or taxicab carrier by an authority created to regulate limousines, taxicabs, or transportation network companies under the municipal partnership act, 2011 PA 258, MCL 124.111 to 124.123, or the public transportation authority act, 1986 PA 196, MCL 124.451 to 124.479, shall remain valid. This subsection does not apply after 4 years after the effective date of this act.