A.    During an auction sale under this chapter, no addition whatsoever shall be made to the stock of personal property set forth in the inventory attached to the application for the license therefor, and nothing shall be offered for sale or sold at any such sale by auction which is an addition to the stock of merchandise described in such inventory, which has been added to the stock of merchandise described in such inventory or which has been added to the applicant's stock within a period of thirty days prior to the date the applicant filed the application for license.

    B.    It is unlawful for any person to offer for sale or sell at any auction sale any personal property in addition to the stock listed and described in the inventory. (Prior code § 3-13)