In the said notification, - (a) In Schedule I - 2.5%, against S. No. 259A, for the entry in column (2), the entry “9503” shall be substituted; (b) After Schedule I, in the List 1, after serial number 230 and the entries relating thereto, the following shall be inserted, namely- “(231). Diethylcarbamazine”. This notification shall come into force on the 2nd day of June, 2021.