II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.18 Partially polymerized (dimerized) rosin, catalyzed with sulfuric acid, softening point not less than 92° C, acid number not less than 140 (CAS No. 65997–05–9) (provided for in subheading 3806.90.00) Free No change No change On or before 12/31/2020 . 808. β-Cyfluthrin formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.19 Product mixtures containing (RS)-α-cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS