Effective dates—1981 c 172: "This act is necessary for the immediate preservation of the public peace, health, and safety, the support of the state government and its existing public institutions, and shall take effect July 1, 1981, except section 9 of this act shall take effect September 1, 1981, sections 7 and 8 of this act shall take effect October 1, 1981, and section 10 of this act shall take effect July 1, 1983." [
1981 c 172 s 12.]