The motion picture regulatory board may be empowered to classify commercial motion picture films prior to or after the commencement of their presentation to the public as to their suitability for viewing by minors, and to forbid the showing of commercial films to minors unless information on the film has been submitted to the board for classification of the film in accordance with reasonable or expeditious procedures, and the film has either been classified by the board as suitable for minors or has not been classified within a reasonable time after submission.