Michigan Compiled Laws, Chapter 123. Local Government § 123.675

(1) The authority shall be subject to all the zoning, building, fire, sanitary, health and other police ordinances and regulations of the state and political subdivisions in which it is established.

(2) The authority shall have no power to discriminate against the sale on the market of any farm or food products, or against any producer of such products on account of county, state or political subdivisions in which any such products are produced, or on account of the legal status of the producer or other person engaged in the marketing of any such products, or on account of the conditions of employment or the nature of the labor employed in the production or marketing of such products or on account of the method of transportation; but the authority shall take every reasonable precaution to prevent any such discrimination.

(3) The authority shall have no power to acquire, construct, maintain, or operate a market which is not operated primarily for the purpose of handling farm and food products at wholesale.

(4) No member of the board of directors shall be interested directly or indirectly in any transaction with the authority except in connection with his normal business operations in the market.

(5) No authority shall itself engage directly or indirectly in the purchase or sale of farm or food products, or engage in any business other than that of managing the market.