Mich. Comp. Laws § 324.19304
The question of borrowing a sum not to exceed $660,000,000.00 and the issuance of the general obligation bonds of the state for the purposes set forth in this part shall be submitted to a vote of the electors of the state qualified to vote on the question in accordance with section 15 of article IX of the state constitution of 1963, at the general election following September 9, 1988, the effective date of former Act No. 326 of the Public Acts of 1988. The question submitted to the electors shall be substantially as follows:
"Shall the state of Michigan borrow a sum not to exceed $660,000,000.00 and issue general obligation bonds of the state, pledging the full faith and credit of the state for the payment of principal and interest on the bonds, to finance environmental protection programs that would clean up sites of toxic and other environmental contamination and contribute to a regional Great Lakes protection fund, address solid waste problems, treat sewage and other water quality problems, and reuse industrial sites and preserve open space, the method of repayment of the bonds to be from the general fund of this state?
Yes........
No......... .".
MCL 324.19304