; 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) 4.5% No change No change On or before 12/31/2020 . 876. Foramsulfuron formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.87 Mixtures of benzamide, 2-[[[[(4,6-dimethoxy-2- pyrimidinyl)-amino]carbonyl]amino] sulfonyl]-4-(form ylamino)-N,N- methyl- (Foramsulfuron) (CAS No. 173159–57–4) and application adjuvants (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2020 . 877. Mesosulfuron-methyl formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.88 Product mixtures containing methyl 2- [({[(4,6-dimethoxy-2- pyrimidinyl)amino] carbonyl}amino)sulfonyl]-4- [(mesy lamino) methyl]benzoate (Mesosulfuron-methyl) (CAS No. 208465–21–8) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2020 . 878. Isoxaflutole formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.89 Product mixtures containing (5-cyclopropyl-1,2-oxazol-4-yl)[2-(methylsulfonyl)-4-(trifluoromethyl)phen yl]methanone (Isoxaflutole) (CAS No. 141112–29–0) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2020 . 879. Indaziflam and Rimsulfuron formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.90 Product mixtures containing N-[(1R,2S)-2,6-dimethyl-2,3-dihydro-1H-inden-1-yl]-6-[(1R)-1-fluoroethyl]- 1,3,5-triazine-2,4-diamine (Indaziflam) (CAS No. 950782–86–2) and N-[(4,6-dimethoxy-2-pyrimidinyl)carbamoyl]-3-(ethylsulfonyl)-2-pyridinesul fonamide (Rimsulfuron) (CAS No. 122931–48–0) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2020 . 880. Pyraflufen ethyl 40 percent (ET MB 40) Subchapter II of