(i) to search at any time during the period specified in the notification any person in, or passing through, or any premises in or forming part of, or any animal or vessel or vehicle or other conveyance of whatever nature in or passing through, or any receptacle or other container of whatever nature in, any public place in such area if such officer has reason to believe that any notified arms are secreted by such person or in such premises or on such animal or in such vessel, vehicle or other conveyance or in such receptacle or other container;