; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (176) Mixtures of rimsulfuron Heading 9902.10.03 is amended— (A) by amending the article description to read as follows: Mixtures of N-[[(4,6-dimethoxy-2-pyrimidinyl) amino] carbonyl]-3-(ethylsulfonyl)-2-pyridinesulfonamide (Rimsulfuron) (CAS No. 122931–48–0) and application adjuvants (provided for in subheading 3808.93.15) ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (177) Certain herbicides for use on cereals Heading 9902.10.04 is amended— (A) by amending the article description to read as follows: Product mixtures containing methyl 4-{[(3-methoxy-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)carbonyl] sulfamoyl}-5-methyl-3-thiophenecarboxylate (Thiencarbazone-methyl) (CAS No. 317815–83–1), methyl 2-{[(4,6-dimethoxy-2-pyrimidinyl) carbamoyl] sulfamoyl}-4-{[(methylsulfonyl)amino]methyl} benzoate (Mesosulfuron-methyl) (CAS No. 208465–21–8) and diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole -3,5-dicarboxylate (Mefenpyr-diethyl) (CAS No. 135590–91–9) (provided for in subheading 3808.93.15) ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (178) Herbicides for weed control in grassy areas Heading 9902.10.11 is amended— (A) by amending the article description to read as follows: Mixtures containing methyl 4-{[(3-methoxy-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl) carbonyl] sulfamoyl}-5-methyl-3-thiophenecarboxylate (Thiencarbazone-methyl) (CAS No. 317815–83–1); 2-{[(4,6-Dimethoxy-2-pyrimidinyl) carbamoyl] sulfamoyl}-4-formamido-N,N-dimethylbenzamide (Foramsulfuron) (CAS No. 173159–57–4); and methyl 3-chloro-5-{[(4,6-dimethoxy-2-pyrimidinyl) carbamoyl] sulfamoyl}-1-methyl -1H-pyrazole-4-carboxylate (Halosulfuron-methyl) (CAS No. 100784–20–1) and application adjuvants (provided for in subheading 3808.93.15).