Md. Rule 2-126

Summary

(a) Service by delivery or mail. — An individual making service of process by delivery or mailing shall file proof of the service with the court promptly and in any event within the time during which the person served must respond to the process.

(1) If service is by delivery, the proof shall set forth the name of the person served, the date, and the particular place and manner of service. If service is made under Rule 2-121 (a)(2), the proof also shall set forth a description of the individual served and the facts upon which the individual making service concluded that the individual served is of suitable age and discretion.

(2) If service is made by an individual other than a sheriff, the individual also shall file proof under affidavit that includes the name, address, and telephone number of the affiant and a statement that the affiant is of the age of 18 or over.

(3) If service is by certified mail, the proof shall include the original return receipt.

(b) Service by publication or posting. ...