Maryland Health Occupations Section 19-301
§ 19-301.
  (a)   Except as otherwise provided in this title, an individual shall be:
    (1)   Licensed by the Board before the individual may practice social work in this State while representing oneself as a social worker;
    (2)   Licensed as a certified social worker-clinical before the individual may practice clinical social work in this State.
  (b)   This section does not apply to:
    (1)   An individual employed by any agency of the federal government while performing the duties of that employment, unless the individual chooses to apply for a license under this subtitle;
    (2)   An individual licensed as a social worker in another state while responding to an emergency in this State; or
    (3)   An individual who:
      (i)   Is licensed to practice social work in any other state or possesses social work qualifications in another jurisdiction comparable to § 19-302 of this subtitle;
      (ii)   Has an application for a license pending before the Board; and
      (iii)   Meets requirements established by the Board in regulations.
  (c)   An individual may not practice social work without a license under subsection (b)(3) of this section for more than 6 months.