Md. Code, Business Regulation § 4–308

(a) A boxer license authorizes the licensee to participate as a boxer in a contest.

(b) (1) A professional kick boxer license authorizes the licensee to participate as a professional kick boxer in a contest.

(2) An amateur kick boxer license authorizes the licensee to participate as an amateur kick boxer in a contest.

(c) A wrestler license authorizes the licensee to participate as a wrestler in a contest.

(d) (1) A professional mixed martial arts contestant license authorizes the licensee to participate as a professional mixed martial arts contestant in a contest.

(2) An amateur mixed martial arts contestant license authorizes the licensee to participate as an amateur mixed martial arts contestant in a contest.

(e) A manager license authorizes the licensee to act as a manager of a contestant.

(f) A referee license authorizes the licensee to act as a referee in a contest.

(g) A judge license authorizes the licensee to act as a judge in a contest.

(h) A second license authorizes the licensee to act as a second in a contest.

(i) A matchmaker license authorizes the licensee to act as a matchmaker of a contest.

(j) A promoter license authorizes the licensee to act as a promoter of a contest.