Maryland Code, Public Safety § 11-114

(a) Except as otherwise provided in this subtitle, a person may not engage in business as a manufacturer or dealer in the State unless the person is licensed under this subtitle.

(b) Except as otherwise provided in this subtitle, a person may not possess explosives other than explosives for use in firearms in the State unless the person is licensed under this subtitle.

(c) Except as otherwise provided in this subtitle, a dealer may not sell, barter, give, or dispose of explosives other than explosives for use in firearms to a person unless the person is licensed under this subtitle.

(d) The owner or operator of a mine, quarry, or other operation that uses explosives, and a contractor performing work that uses explosives, may not engage in business as a dealer in the State unless the person is licensed under this subtitle.

(e) An employee of an owner or operator of a mine, quarry, or other operation that uses explosives, or of a contractor performing work that uses explosives, may not possess explosives in a place not necessary for the employee to perform the employee's duties unless the employee is licensed to possess explosives under this subtitle.

(f) A person may not violate a regulation adopted under this subtitle.

(g) Except as otherwise provided in § 11-116 of this subtitle, a person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 5 years or a fine not exceeding $5,000 or both.