Mich. Comp. Laws § 750.481
Neglecting or refusing to execute process-Whenever any constable, marshal, deputy or assistant marshal, coroner, sheriff or deputy sheriff of any township, city, village or county, shall at any time wilfully neglect or refuse to execute any lawful process of any court, or judicial officer having authority to issue the same, and which shall be duly issued, or whenever such officer shall, at any time, wilfully neglect or refuse to discharge or execute any special duty imposed on any such officer by any provision of law, such officer shall be guilty of a misdemeanor: Provided, That in all cases where such process shall be taken out in the name of a party, other than the people of this state, it shall appear on the trial for such offense that the legal fees for serving such process have been tendered or paid to such officer.
MCL 750.481