Mich. Comp. Laws § 45.51
Deputies and employees of county officers in counties over 500,000; appointment, compensation.
In counties having a population of more than 500,000 the county treasurer, the register of deeds, the coroners and the drain commissioner shall and are hereby authorized to appoint a chief deputy, and all other deputies, clerks and employes employed in the departments of each of the said officers. The number and salari…