Exemption for canteen supplies: state tax relief for CSD and unit run canteens under Jharkhand GST notification. The State Government exempts from State Tax supplies by the Canteen Store Department to Unit Run Canteens and authorized customers, and supplies by Unit Run Canteens to authorized customers, covering goods under any tariff chapter; the notification applies the First Schedule interpretation rules of the Customs Tariff Act and commences from the date specified in the notification.