Md. Rule 9-209
Rule 9-209. Testimony
A judgment granting a divorce, an annulment, or alimony may be entered only upon testimony in person before a magistrate or in open court. In an uncontested case, testimony shall be taken before a magistrate unless the court directs otherwise.
Cross reference: For the requirement of oral testimony by the plaintiff in a divorce action, see Code, Family Law Article, § 1-203 (c). For default procedures, see Rule 2-613.