Maryland State Government Section 17-108

      (a)      This section does not affect an appointment:

            (1)      of an officer who requires special knowledge or training; or

            (2)      to an office that requires expert knowledge or training.

      (b)      An individual may not be appointed to any office in the State unless the individual has been a bona fide resident of the State for at least 12 months before the day of the individual's appointment.

      (c)      A State or county official may not appoint an individual unless the individual has been a bona fide resident of the State for at least 12 months and of the county in which the individual is appointed for at least 6 months before the day of the individual's appointment.