diisopropylcarbamothioate (Triallate) (CAS No. 2303–17–5) and 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)aniline (Trifluralin) (CAS No. 1582–09–8) (provided for in subheading 3808.93.50) Free No change No change On or before 12/31/2020 . 905. Flazasulfuron herbicide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.17 Formulations of 1-(4,6-dimethoxypyrimidin-2-yl)-3-[3-(trifluoromethyl)pyridin-2-yl]sulfonylurea (Flazasulfuron) (CAS No. 104040–78–0) (provided for in subheading 3808.93.50) Free No change No change On or before 12/31/2020 . 906. Fosamine Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.18 Mixtures of ammonium ethyl carbamoylphosphonate (Fosamine-ammonium) (CAS No. 25954–13–6) and application adjuvants (provided for in subheading 3808.93.50) Free No change No change On or before 12/31/2020 . 907. Propargite mixtures Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.19 Mixtures containing 2-[4-(2-methyl-2-propanyl)phenoxy]cyclohexyl 2-propyn-1-yl sulfite (CAS No. 2312–35–8) (Propargite) and application adjuvants (as provided for in subheading 3808.99.95) Free No change No change On or before 12/31/2020 . 908. 5-Amino-1,3-dihydro-2H-benzimidazol-2-one Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.20 Preparations containing 5-amino-1,3-dihydro-2H-benzimidazol-2-one (CAS No. 95–23–8) (provided for in subheading 3809.91.00) Free No change No change On or before 12/31/2020 . 909. Ricinoleic acid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.10.21 Preparations containing 12-hydroxy-9-octadecenoic acid (Ricinoleic acid) of a kind used as a diluent in lubricants (CAS No. 141–22–0) (provided for in subheading 3811.21.00) 5.3% No change No change On or before 12/31/2020 . 910. Lubricant additive Subchapter II of