Maryland Code, General Provisions § 3-302

(1) be in writing;

(2) include the date, time, and place of the session; and

(3) if appropriate, include a statement that a part or all of a meeting may be conducted in closed session.

(1) if the public body is a unit of State government, by publication in the Maryland Register;

(2) by delivery to representatives of the news media who regularly report on sessions of the public body or the activities of the government of which the public body is a part;

(3) if the public body previously has given public notice that this method will be used:

(4) by any other reasonable method.