Michigan Compiled Laws, Chapter 400. Social Services § 400.1131

(a) One third of the members of the board are elected public officials, holding office on the date of selection, or their representatives, except that if the number of the elected officials reasonably available and willing to serve on the board is less than 1/3 of the membership of the board, membership on the board of appointive public officials or their representatives may be counted in meeting the 1/3 requirement.

(b) Not fewer than 1/3 of the members are individuals chosen in accordance with democratic selection procedures adequate to ensure that these members are representative of low-income individuals and families in the communities served.

(c) The remainder of the members are officials or members of business, industry, labor, religious, law enforcement, education, or other major groups and interests in the communities served.