Michigan Compiled Laws, Chapter 280. Drain Code of 1956 § 280.434

Sec. 434. (1) A drainage district may borrow money or accept an advance of work, material, or money from a public or private corporation, partnership, association, individual, or the federal government or any agency of the federal government for any of the following for any project under this act:

(2) The drainage district shall pay or provide reimbursement for the obligations under subsection (1), with or without interest as may be agreed, when funds are available. The obligation of the drainage district to make the repayment or reimbursement may be evidenced by a contract or note. The contract or note may pledge the full faith and credit of the drainage district and may be made payable out of any of the following:

(3) A contract or note described in subsection (2) is not subject to the revised municipal finance act, 2001 PA 34, MCL 141.2101 to 141.2821, unless the principal amount of the obligation is more than $600,000.00. However, if the principal amount of the obligation is $600,000.00 or less, then the contract or note is subject to the agency financing reporting act, 2002 PA 470, MCL 129.171 to 129.177.

However, projects in which advances or loans are made by any public corporation, the federal government, or any agency of the federal government are not subject to either the revised municipal finance act, 2001 PA 34, MCL 141.2101 to 141.2821, or the agency financing reporting act, 2002 PA 470, MCL 129.171 to 129.177.

(4) A county board of commissioners by a majority vote of 2/3 of its members may pledge the full faith and credit of the county for the payment of a contract or note of the drainage district.