Md. Code, Environment § 9–2206

(a) A unit of county government shall enforce § 9–2203 of this subtitle.

(b) Subject to subsection (c) of this section, a county may impose a penalty not exceeding $250 on:

(1) A person who violates § 9–2203(a) of this subtitle; or

(2) A food service business that violates § 9–2203(b) of this subtitle.

(c) A penalty may not be imposed under this section unless:

(1) The unit of county government first issues a written notice of violation to the person or the food service business; and

(2) The violation is not corrected within 3 months of receipt of the written notice.

(d) A unit of county government shall notify the Department of any violation of § 9–2203 of this subtitle.