Sections 15, as reenacted and amended in 1989, and 18, chapter 271, Laws of 1988, 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 as of March 24, 1988. Sections 6 through 8, 10 through 13, and 16, chapter 271, Laws of 1988, as reenacted or amended and reenacted in 1989, shall take effect as of January 1, 1989.