Maryland Business Occupations and Professions Section 10-603
§ 10-603.
  (a)   This section does not apply to:
    (1)   a lawyer while employed as a part-time master for juvenile cases; or
    (2)   an individual while:
      (i)   performing an affirmative duty required by law; or
      (ii)   engaging in an activity related to a case in which the individual is a party or has a property interest.
  (b)   Even if an individual has been admitted to the Bar, the individual may not practice law while employed:
    (1)   as a sheriff or deputy sheriff;
    (2)   in a jail or penitentiary, as:
      (i)   a warden or deputy warden; or
      (ii)   a superintendent or deputy superintendent;
    (3)   as a bailiff;
    (4)   as a clerk or deputy clerk of any court or an employee of a clerk;
    (5)   as a register or deputy register of wills or an employee of a register of wills; or
    (6)   as an officer or employee in a juvenile court.
  (c)   (1)   This subsection does not apply to the settlement of small estates as set forth in Title 5, Subtitle 6 of the Estates and Trusts Article.
    (2)   In Prince George's County, a sheriff, deputy sheriff, warden, deputy warden, clerk, or employee of any court may not prepare or help in the preparation of any form or document that is filed in a court in that county or that affects a case that is or may be filed in a court in that county.