Maryland Environment Section 13-309
§ 13-309.
  (a)   Subject to the provisions of this section, the Board shall issue a temporary license to an applicant who:
    (1)   Demonstrates to the satisfaction of the Board that granting a temporary license to the applicant is in the public interest and does not pose a substantial risk of harm to the public health or welfare or the environment;
    (2)   Meets the requirements of §§ 13-303 and 13-306 of this subtitle; and
    (3)   Passes an examination on applicable Maryland well construction regulations.
  (b)   While it is effective, a temporary license to practice well drilling authorizes the holder to practice well drilling subject to the same restrictions imposed on the holder of a license of the same category and class.
  (c)   A temporary license expires at the first to occur of the following:
    (1)   When the Board issues or refuses to issue a license under § 13-306 of this subtitle; or
    (2)   On the expiration date that the Board designates on the temporary license.