GST amendment adds aerated water to the notified Annexure, changing its tax coverage under the state GST notification. The Karnataka government amends a prior GST notification by inserting a tariff entry for Aerated Water into its Annexure, thereby altering the list of goods covered by that notification; the change is made under powers conferred by the Karnataka Goods and Services Tax Act, 2017 and takes effect from the stated commencement date.