No person, firm or corporation shall lend his or its gas fitter's or master plumber's license, as the case may be, to any other person, nor shall any such licensed person, firm or corporation apply for a permit in his or its name for use of any other person. Any such licensed person, firm or corporation so doing or refusing to comply with any other requirements of this chapter shall have his or its gas fitter's or master plumber's license, as the case may be, suspended or revoked by the city council. (2000 Code § 5-306)