Mich. Comp. Laws § 37.1505

Sec. 505. Nothing in this article shall be considered to prohibit an owner, lender, or his or her agent from requiring that an applicant who seeks to buy, rent, lease, or obtain financial assistance for housing accommodations supply information concerning the applicant's financial, business, or employment status or other information designed solely to determine the applicant's credit worthiness, but not concerning disabilities for reasons contrary to the provisions or purposes of this act.