(1) Sections 1, 2, and 4 through 16 of this act are 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 immediately [April 23, 1983].

(2) Section 3 of this act shall take effect one hundred eighty days after the remainder of this act goes into effect under subsection (1) of this section.