Maryland Code, Transportation § 16-101

(a)(1) An individual may not drive or attempt to drive a motor vehicle on any highway in this State unless:

(2) On portions of a highway in the State where driving an all-terrain vehicle or a snowmobile is authorized by this article, an individual may not drive or attempt to drive an all-terrain vehicle or a snowmobile on the highway unless:

(1) A driver's license issued to the individual under this title, which license may be of any class issued by the Administration;

(2) If the individual is a nonresident of this State, a license to drive issued to the individual by the state or country of the individual's residence, which license may be for any class of vehicle; or

(3) A moped operator's permit issued to the individual under this subtitle.

(1) For a first offense, imprisonment not exceeding 60 days or a fine not exceeding $500 or both; and

(2) For a second or subsequent offense, imprisonment not exceeding 1 year or a fine not exceeding $500 or both.