(a) Any person holding under this article a wholesale and retail license, and whose wholesale and retail business is conducted within the same building, or a building adjoining thereto, shall keep separate the wholesale and retail stocks of cigarettes.

(b) Every wholesaler or jobber who maintains a retail business at his place of business shall keep a record of the wholesale operations the same as for the retail operations, and keep such records, including invoices, separate and apart for the inspection of such wholesale and retail business by the Commission, said records to show the amount of stamps purchased, if any, and all purchases from whatever source, and all sales, whether to himself as a retailer, from himself as a wholesaler, or to another than himself as a retailer. All invoices, records, files and other information shall be available for inspection by representatives of the Commission for a period of three (3) years from the date of the purchase and/or delivery.

(c) If such invoices, records, files and information are not kept as herein required, the licenses, both as retailer and as wholesaler or jobber, shall be revoked, and such person shall be subject to all penalties as provided for in this article. If a licensee refuses to comply with the provisions of this article, the Commission shall cancel all licenses that have been issued for such place of business.