Michigan Compiled Laws, Chapter 339. Occupational Code § 339.2512b

(a) As an owner or an authorized agent of the owner, offering an existing tenant of the owner's property a consideration of a value of 1 month's rent or less for referring a prospective tenant to the owner or the authorized agent of the owner for the purpose of entering into a lease agreement.

(b) As an existing tenant of rental property, accepting a consideration of 1 month's rent or less for the referral of prospective tenants.