Anti-dumping duty extension on Coumarin maintained to continue protection against dumped imports from specified origin. The Central Government, acting on a review recommendation by the designated authority, amends the principal notification imposing anti-dumping duty on coumarin from the People's Republic of China to extend the operation of that notification for a further one-year period by inserting a clause that keeps the duty in force up to and inclusive of the specified extended date, unless revoked earlier.