Article VIII
Sec. 18: There shall be elected annually, on the first Monday of April in each organized township, one supervisor, one township clerk, one commissioner of highways, one township treasurer, not to exceed four constables, and one overseer of highways for each highway district, whose powers and duties shall be prescribed by law: Provided, That in counties having an assessed valuation of not less than one hundred million dollars as determined by the state board of equalization, such township officers may, in the discretion of the board of supervisors of such county, be elected at each general biennial election on the first Tuesday after the first Monday in November of even numbered years. The legislature may by general law provide for the appointment by the township board of each organized township of one commissioner of highways, whose powers and duties shall be prescribed by law.