Maryland Business Occupations and Professions Section 12-503
§ 12-503.
  (a)   Each individual whom the State, a county, or a local government appoints or employs as a plumbing inspector shall:
    (1)   each year attend a continuing education course that the Board or, with the approval of the Board, a county or local government conducts; and
    (2)   meet minimum standards that:
      (i)   adequately ensure that the plumbing inspector is qualified to inspect in accordance with the State Plumbing Code;
      (ii)   are established:
        1.   by the county or local government in consultation with the Board; or
        2.   if there is no standard established by the county or local government, by the Board; and
      (iii)   are administered:
        1.   for a county or local government inspector, by the county or local government that appoints or employs the inspector; and
        2.   for a State inspector, by the State.
  (b)   An individual may not have any financial interest in any plumbing business while employed by the State, a county, or any local government as a plumbing inspector.
  (c)   (1)   On appointment or employment, the individual shall place the master plumber license, journey plumber license, or limited license on inactive status.
    (2)   The Board may issue a plumbing inspector identification card to a plumbing inspector who has placed the appropriate license on inactive status.
    (3)   On termination of the appointment or employment of an individual as a plumbing inspector, the Board shall reactivate the master plumber license, journey plumber license, or limited license of an individual who is on inactive status, without examination, if the individual:
      (i)   makes a written request to the Board; and
      (ii)   pays to the Board a reactivation fee of:
        1.   $20, for a journey plumber or holder of a limited journey plumber license; or
        2.   $50, for a master plumber or holder of a limited master plumber license.
  (d)   The Board may impose a reasonable fee to cover the costs of conducting the continuing education courses under subsection (a) of this section.