Michigan Compiled Laws, Chapter 290. Weights, Measures and Standards § 290.706

Sec. 6. (1) The department shall determine whether a proposed bargaining unit is appropriate. This determination shall be made upon the petition of an association representing not less than 10% of the producers of the commodity eligible for membership in the proposed bargaining unit as defined by the association. An association with an overlapping definition of bargaining unit may, upon the presentation of a petition by not less than 10% of the producers eligible for membership in the overlapping bargaining unit, contest the proposed bargaining unit. The department shall hold a hearing in accordance with the administrative procedures act of 1969, 1969 PA 306, MCL 24.201 to 24.328, to resolve the dispute.

(2) In making its determination, the department shall define as appropriate the largest bargaining unit in terms of the quantity of the agricultural commodity produced, the definition of the agricultural commodity, the geographic area covered, and the number of producers included as is consistent with the following criteria: