State GST amendment replaces tariff classification and adds Diethylcarbamazine to List 1, effective from 2 June. The State GST notification amends the principal Rate notification by substituting the column (2) entry for Schedule I serial 259A with '9503' and by inserting '(231). Diethylcarbamazine' into List 1 after serial 230; the amendments take effect on 2 June 2021 under powers conferred by the Mizoram GST Act.