Mich. Comp. Laws § 43.56

Sec. 6. (1) If a dispute arises with regard to a fence that is the boundary line between townships, or partly in 1 township and partly in another township, 1 fence viewer from each township may be selected to settle the dispute or 1 fence viewer may be selected by mutual agreement of each township. (2) If a dispute arises with regard to a fence that is the boundary line between a township and a city or village, or partly in 1 township and partly in a city or village, 1 fence viewer from the township and 1 fence viewer from the city or village may be selected to settle the dispute or 1 fence viewer may be selected by mutual agreement of the township and the city or village.