If it is made to appear upon a sworn application to the city clerk, at any time during the thirty-day period in a permit for a close-out jewelry public auction, that all of the jewelry described and inventoried in the original application has not been sold, accompanied by a statement or inventory of what remains thereof, a permit supplemental to that provided for under this chapter may be issued by the city clerk, upon the same terms and conditions as the original permit, granting authority to continue such sale for a further period of thirty days. (Ord. 353 NCS §8.0; prior code §5.21.)