Anti-dumping duty extension keeps the existing duty effective until its revised expiry, subject to earlier revocation, supersession or amendment. Anti-dumping duty under Notification No. 66/2021-Customs (ADD) is amended to remain effective up to and including 10 February 2027, unless earlier revoked, superseded or amended. The amendment is made under the Customs Tariff Act, 1975 and the Anti-dumping Duty Rules, 1995.