Maryland Statutes
Part II - Licensing of Free-Play Console Machines and Free-Play Pinball Machines
Section 17-409 - License Required

(a)    Whenever a person keeps a free-play pinball machine for public use in the State, the person must have a pinball machine license for that free-play pinball machine.
    (b)    Whenever a person keeps a free-play console machine for public use in the State, the person must have a console machine license for that free-play console machine.