Maryland State Government Section 10-506
§ 10-506.
  (a)   Before meeting in a closed or open session, a public body shall give reasonable advance notice of the session.
  (b)   Whenever reasonable, a notice under this section shall:
    (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.
  (c)   A public body may give the notice under this section as follows:
    (1)   if the public body is a unit of the 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, by posting or depositing the notice at a convenient public location at or near the place of the session; or
    (4)   by any other reasonable method.
  (d)   A public body shall keep a copy of a notice provided under this section for at least 1 year after the date of the session.