Md. Code Ann., Cts. & Jud. Proc. § 6-303
(a) If a person resists service of civil process by threats, violence, or superior force, or by preventing the officer serving the process from entering the premises so that the officer cannot serve the process without force or personal risk, the officer shall leave a copy of the process:
Added by Acts 1973, 1st Sp. Sess., c. 2, § 1, eff. Jan. 1, 1974.
Formerly Art. 75, § 92.