Maryland Statutes
Subtitle 4 - Employment Categories in the State Personnel Management System
Section 6-402 - Professional Service

(a)    Except as otherwise provided by law, a position in the Executive Branch of State government is in the professional service if the position:
        (1)    requires knowledge of an advanced type in a field of science or learning customarily acquired by a course of specialized intellectual instruction and study; and
        (2)    normally requires a professional license, advanced degree, or both.
    (b)    The professional service includes any other position that is determined by the Secretary to be in the professional service.