Michigan Compiled Laws, Chapter 37. Civil Rights § 37.232

(i) That the full and equal enjoyment of the goods, services, facilities, privileges, advantages, or accommodations of a place of public accommodation or public service will be refused, withheld from, or denied an individual because the individual is breastfeeding a child or is expressing human milk.

(ii) That an individual's patronage of or presence at a place of public accommodation is objectionable, unwelcome, unacceptable, or undesirable because the individual is breastfeeding a child or is expressing human milk.