Amends the Harmonized Tariff Schedule of the United States to extend, through December 31, 2011, the temporary suspension of duty on a-2-Dichloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluorobenzene-propanoic acid, ethyl ester (carfentazone ethyl) (CAS No. 128639-02-1) and any formulations containing such compound.