Whoever, being a person charged by this chapter with the duty of collecting or paying the taxes imposed by this chapter, willfully fails or refuses to charge and collect or to pay such taxes, or to make return to the Finance Director as required by this chapter, or to permit the Director or his duly authorized agent to examine his books and other records, in or upon any premises where the same are kept, to the extent necessary to verify any return made or to ascertain and assess the tax imposed by this chapter if no return was made, or to maintain and keep for three years or such lesser or greater time as may be permitted or required by the Director, shall be guilty of a minor misdemeanor and upon conviction for a second or other subsequent offense shall be guilty of a misdemeanor of the third degree.