Md. Code Ann., Agric. § 4-130

Notwithstanding any penalty provided by the provisions of this article, any person who violates the provisions of § 4–123 of this subtitle is guilty of a misdemeanor and, on conviction, is subject to imprisonment not exceeding six months, or a fine not exceeding $3,000, or both. If the violation is committed after the first conviction becomes final, the person is subject to imprisonment not exceeding one year, or a fine not exceeding $5,000, or both. If the violation is committed after the second conviction becomes final, the person is subject to imprisonment not exceeding two years, or a fine not exceeding $10,000, or both. The court may impose costs in its discretion.