(a) (1) This subsection does not apply to § 21–624 of this subtitle.
(2) Except as provided in subsection (b) of this section, a person who violates the provisions of this subtitle is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 30 days or a fine not exceeding $1,000 or both.
(b) A person who violates § 21–633, § 21–634, or § 21–637 of this subtitle is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 30 days or a fine not exceeding $500 or both.
(c) A person may be convicted of a second or subsequent violation of a provision of this subtitle or a regulation adopted under this subtitle.