It shall be unlawful for any agent, owner, occupant, contractor, public utility company, plumber, electrician, steam fitter or other person to remove ratproofing from any business building for any purpose and fail immediately thereafter to restore the same in a ratproof condition, or to make any new openings that are not immediately thereafter closed or sealed against the entrance of rats.
('70 Code, § 11-24) Penalty, see § 10.99