No owner or agent of any building shall permit or allow the same to remain unnumbered more than thirty days after its completion. No person shall take down or deface any number put up in accordance with the provisions of this chapter. No person shall retain any other number on their buildings than that assigned by the City Engineer. No owner, occupant or agent of property shall refuse to have his or her property numbered, or in any way obstruct or interfere with the employee charged with carrying out the foregoing provisions of this chapter in the performance of his duty.
(1980 Code 150.149)