Michigan Compiled Laws, Chapter 247. Highways § 247.425

Sec. 25.(1) Money collected on account of an improvement shall be paid to the county treasurer and credited to the special assessment district.

(2) The money shall be disbursed only by an order of the county road commission or the state transportation commission and only for the purposes of this act.

(3) The county treasurer shall deposit the money in a manner that will draw interest, in a financial institution approved by the county board of commissioners or by the state transportation commission. The interest accrued shall become a part of the fund.

(4) Assets acceptable for pledging to secure deposits of county funds are limited to any of the following:

(5) If the improvement is carried on by and under the direction of the state transportation commission, the commission shall designate the financial institution the money is to be deposited in under this act.

(6) As used in this section, “financial institution” means a state or nationally chartered bank or a state or federally chartered savings and loan association, savings bank, or credit union whose deposits are insured by an agency of the United States government and which maintains a principal office or branch office located in this state under the laws of this state of the United States.