Mich. Comp. Laws § 41.416e

Sec. 6e. A township may, at a primary, general, or special election, vote a tax upon the property of the township not to exceed 1/20 of 1% of the assessed valuation of the township according to the assessed valuation of all the real and personal property of the township for the preceding year. The township board shall use the money raised by the tax for the maintenance, upkeep, or repair of the township hall, fire station, library, or other public buildings of the township.