Mich. Comp. Laws § 280.305: Revolving drain fund; transfer to particular drain fund of moneys under former law, use.

Sec. 305.

When the moneys for the revolving fund shall have been appropriated, the county treasurer shall immediately transfer back to each particular drain fund any unexpended moneys due in such fund then on hand and carried in any revolving fund by virtue of any pre-existing law, said moneys when so transferred to be used solely for the use and benefit of the particular drain for which they were raised.