Any upper portion of a support structure which is not occupied by active antennas for a period of twelve (12) months, and any entire support structure which is not so occupied for a period of six (6) months, shall be removed at the owner's expense. Removal of upper portions of a support structure manufactured as a single unit shall not be required. Failure to comply with this provision shall constitute a nuisance that may be remedied by the city at the support structure or property owner's expense.

(Ord. No. 11006, § II(Exh. A), 12-17-18)