Maryland Code, Courts and Judicial Proceedings § 2-304

(a) If a sheriff fails to file a return within the time set by the court or by rule, the court, on motion, shall order him to do so.

(b) If a sheriff fails to file a return on an original writ within the time set by the court, the court shall amerce the sheriff for the benefit of the plaintiff in the amount of the debt or damages and costs due from the defendant, ascertained from the oath of the plaintiff and other proof required by the court.

(c) If a sheriff fails to file a return on a writ mailed to him for service in his county, the court that issued the writ may cite him for contempt, and may fine the sheriff not more than $50.

(d) If a sheriff fails to file a return on a writ of execution or attachment within the time set by the court, the court may amerce the sheriff, for the benefit of the plaintiff, in the amount of the judgment stated in the writ.