Mich. Comp. Laws § 500.6838
The articles of incorporation and bylaws of any such company organized under or subject to the provisions of this chapter, may provide for the receiving of applications or agreements from its members for insurance, with or without taking from the insured any premium note or notes; and it shall be lawful for such mutual insurance companies, to make assessments upon such agreements, or policies issued thereon, or upon the premium note or notes, as the case may be, pro rata, according to the amount of such agreement or policies, or premium note or notes for the payment of the losses and expense incurred by such companies, and all such premium notes, or agreements, or assessments, shall be a lien upon the property insured to the amount of such note, notes, agreements, assessments, costs and interest thereon.
MCL 500.6838