Mich. Comp. Laws § 41.72: Fiscal year; commencement and termination; proportionate extension or reduction.

Sec. 72.

The fiscal year of a township may commence on July 1 of each year and end on the following June 30, or it may commence on April 1 of each year and end on the following March 31. If a budget has been adopted, an audit performed, or other actions or proceedings taken before July 1, based upon a fiscal year ending in March, the fiscal year shall be proportionately extended or reduced to coincide with the fiscal year as provided in this section without impairment of township functions, services, or activities.