Maryland Code, Business Occupations and Professions § 17-521

(a) If a person tenders a check to the Commission in payment of a fee and the check is dishonored, the person shall pay to the Commission an additional fee for cost of collection of $35 for each dishonored check.

(b) If a person is charged an additional fee under this section by the Commission, the original fee may not be considered paid until both the original fee and the additional fee are paid in full.