Mich. Comp. Laws § 493.80

Sec. 30. (1) Except as otherwise provided by this act, a secondary mortgage loan may be made in compliance with this act, and only in conformance with the interest rate limitations of 1966 PA 326, MCL 438.31 to 438.33, by either of the following: (a) A salesperson acting as an agent for a residential builder, or a residential builder, licensed under article 24 of the occupational code, 1980 PA 299, MCL 339.2401 to 339.2412, when made or negotiated in connection with the sale of a residential structure constructed by that builder. (b) A real estate broker or real estate salesperson licensed under article 25 of the occupational code, 1980 PA 299, MCL 339.2501 to 339.2518, and engaged in the sale of real estate as a principal vocation, when made or negotiated in connection with a real estate sale where the real estate broker or salesperson affiliated with the broker represents either the buyer or seller. (2) Except as otherwise provided by this act, a secondary mortgage loan may be made in compliance with this act by a person to an employee of that person provided that the proceeds of the loan are used to assist the employee in meeting his or her housing needs.