Maryland Business Occupations and Professions Section 12-607
§ 12-607.
  (a)   (1)   In this subsection, "officer" includes a superintendent, manager, and agent of a corporation regardless of whether it engages in the business of providing plumbing services.
    (2)   A person, including an officer, who violates any provision of the following sections of this subtitle is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $50 for each day or part of each day that the violation continues:
      (i)   § 12-602;
      (ii)   § 12-603; and
      (iii)   § 12-604.
  (b)   A person who violates any provision of the following sections of this subtitle is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $100 or imprisonment not exceeding 6 months or both for each day or part of each day that the violation continues:
    (1)   § 12-601;
    (2)   § 12-605; and
    (3)   § 12-606.
  (c)   Any person who knowingly and willfully violates any provision of § 12-501(a) of this title is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $1,000 or imprisonment not exceeding 6 months or both.
  (d)   (1)   In addition to any other penalties under this title, the Board may impose on a person who violates any provision of this subtitle a penalty not exceeding $5,000 for each violation.
    (2)   In setting the amount of the penalty, the Board shall consider:
      (i)   the gravity of the violation;
      (ii)   the good faith of the violator;
      (iii)   the quantity and gravity of previous violations by the same violator;
      (iv)   the harm caused to the complainant, the public, and the plumbing profession;
      (v)   the assets of the violator; and
      (vi)   any other factors that the Board considers relevant.