No person shall knowingly place, install, use, or maintain any newspaper vending box which rests in whole or in part upon, in, or on any portion of a public right-of-way in the downtown area or which projects onto, into, or over any part of a public right-of-way in the downtown area, except in compliance with the provisions of this subtitle. City Code, 1976/83, art. 15, §123 Ord. 86-859