The commission on legislative apportionment established by the 1963 state constitution shall consist of 8 electors, 4 of whom shall be selected by the state central committee of each of the 2 political parties whose candidates for governor received the highest vote at the last general election at which a governor was elected preceding each apportionment. If a candidate for governor of a third political party has received at such election more than 25% of such gubernatorial vote, the commission shall consist of 12 members, 4 of whom shall be selected by the state central committee of the third political party. One resident of each of the following 4 regions shall be selected by each state central committee:
MCL 4.11