Any Person who already possesses a Biological Agent Detector as of the date this Article becomes effective must submit an application for a Certificate of Registration within 90 days of the effective date of this ordinance. Following a denial, an applicant may resubmit an application or remove the Biological Agent Detector within 30 days. If a Person's third application is denied, that Person is barred from resubmitting another application and must permanently remove the Biological Agent Detector within 30 days.