Maryland State Personnel and Pensions Section 6-405
§ 6-405.
  Except as otherwise provided by law, individuals in the following positions in the skilled service, professional service, management service, or executive service are considered special appointments:
    (1)   a position to which an individual is directly appointed by the Governor by an appointment that is not provided for by the Maryland Constitution;
    (2)   a position to which an individual is directly appointed by the Board of Public Works;
    (3)   as determined by the Secretary, a position which performs a significant policy role or provides direct support to a member of the executive service;
    (4)   a position that is assigned to the Government House;
    (5)   a position that is assigned to the Governor's Office; and
    (6)   any other position that is specified by law to be a special appointment.