Mich. Comp. Laws § 438.61
“Business entity” and “related entity” defined; extension of credit to business entity; agreement in writing to rate of interest.
(1) As used in this act: (a) "Business entity" means a corporation, trust, estate, partnership, cooperative, or association or a natural person who furnishes to the extender of the credit a sworn statement in writing specifying the type of business and business purpose for which the proceeds of the loan or other extens…