UTGST exemption for CSD and Unit Run Canteen supplies to authorised customers removes UTGST on specified inward supplies. The notification exempts inward supplies of goods from Union Territory GST for supplies by the CSD to Unit Run Canteens, supplies by the CSD to authorised customers, and supplies by Unit Run Canteens to authorised customers, applying the First Schedule to the Customs Tariff Act for tariff definitions and interpretative rules.