Michigan Compiled Laws, Chapter 460. Public Utilities § 460.461

Sec. 1. (1) A city or village owning and operating a public utility, without vote of its electors and upon approval of its legislative body, may borrow money and issue and sell its notes or other evidences of indebtedness in the form and on the terms it deems advisable for the purpose of purchasing equipment or fuel, or both, or of purchasing, acquiring, constructing, improving, enlarging, extending, or repairing the facilities of the public utility. Loans shall not be made or notes or other evidences of indebtedness issued for a term exceeding 5 years. Notes or other evidences of indebtedness relating to fuels or supplies shall not exceed a term of 18 months.

(2) Notes or other evidences of indebtedness issued under this act shall not be general obligations of the city or village but shall be secured by and payable from the unencumbered revenues of the utility and other pledges and assignments authorized in this act. The city or village may pledge or assign bonds or other securities or evidences of debt held by it as investments for the public utility as security for the loan and to guarantee its repayment.

(3) Notes or other evidences of indebtedness are subject to the revenue bond act of 1933, 1933 PA 94, MCL 141.101 to 141.140.