Mich. Comp. Laws § 339.2503

Sec. 2503. (1) This article does not apply to a person that, as owner, sells or offers for sale a detached, single family dwelling, duplex, triplex, or quadruplex, that has never been occupied and that was built by the person while licensed under article 24. This article does not apply to an owner or lessor, an attorney-in-fact acting under a duly executed and recorded power of attorney from the owner or lessor, or a person appointed by a court, that performs an act as a real estate broker or real estate salesperson with reference to property owned by it, unless performed as a principal vocation not through a licensed real estate broker. (2) This article does not apply to an attorney-at-law who is rendering services as an attorney-at-law; to a receiver, trustee in bankruptcy, administrator, executor, a person selling real estate under order of a court; or to a trustee selling under a deed of trust, unless the trustee makes repeated or successive sales of real estate not through a licensed real estate broker. (3) This article does not apply to a person that is regulated under the mortgage brokers, lenders, and servicers licensing act, 1987 PA 173, MCL 445.1651 to 445.1684, and that does not perform any other act requiring a license as a real estate broker, associate broker, or real estate salesperson.