Whenever any commercial feed is kept for sale in bulk, stored in bins or otherwise, the manufacturer, dealer, jobber or importer keeping it for sale shall keep cards of proper size upon which the statement required by § 46-27-310 shall be plainly printed; and if the commercial feed is sold at retail in bulk or if it is put up in packages belonging to the purchaser, the manufacturer, dealer, jobber or importer shall furnish the purchaser with one of the cards upon which is printed the statement required by § 46-27-310.