Maryland Code, Local Government § 6-102

(a)(1) Unless State law classifies a violation as a criminal offense, the legislative body of a municipality may provide, by law, that a violation of a municipal ordinance is a municipal infraction.

(2) A municipal infraction is a civil offense.

(1) a violation of an ordinance or regulation concerning zoning or land use; and

(2) littering in the municipality as prohibited under § 10-110 of the Criminal Law Article.

(c)(1) A fine not exceeding $1,000 may be imposed for each municipal infraction.

(2) The fine is payable to the municipality by the person charged in the citation within 20 calendar days of service of the citation.