Md. Code, State Government § 9–2434

An individual who violates any provision of this part is guilty of a misdemeanor and on conviction is subject to:

(1) for a first offense, a fine not exceeding $500 or imprisonment not exceeding 90 days, or both; and

(2) for each subsequent violation, a fine not less than $500 and not exceeding $1,000 or imprisonment not exceeding 90 days, or both.