by inserting in numerical sequence the following new heading: 9902.04.52 Methyl (chlorocarbonyl)[4-(trifluoromethoxy)phenyl]carbamate (CAS No. 173903–15–6) (provided for in subheading 2924.29.71) 2.0% No change No change On or before 12/31/2020 . 348. 2-Chloroacetoacetanilide (AAOCA) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.53 2'-Chloroacetoacetanilide (CAS No. 93–70–9) (provided for in subheading 2924.29.77) Free No change No change On or before 12/31/2020 . 349. Acetoacetyl-2,5-dimethoxy-4-chloroanilide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.54 4'-Chloro-2',5'-dimethoxyacetoacetanilide (CAS No. 4433–79–8) (provided for in subheading 2924.29.77) Free No change No change On or before 12/31/2020 . 350. p-Aminobenzamide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.55 p-Aminobenzamide (4-Aminobenzamide) (CAS No 2835–68–9) (provided for in subheading 2924.29.77) Free No change No change On or before 12/31/2020 . 351. 2-Amino-5-cyano-N,3-dimethylbenzamide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.56 2-Amino-5-cyano-N,3-dimethylbenzamide (CAS No. 890707–29–6) (provided for in subheading 2924.29.77) Free No change No change On or before 12/31/2020 . 352. Trans-N-boc Acid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.57 trans-4-{[(2-Methyl-2-propanyl) oxy]carbonyl} cyclohexanecarboxylic acid (CAS No. 53292–89–0) (provided for in subheading 2924.29.95) Free No change No change On or before 12/31/2020 . 353. Perkalink 900 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.58 1,1'-[1,3-Phenylenebis(methylene)]bis(3-methyl-1H-pyrrole-2,5-dione) (CAS No. 119462–56–5) (provided for in subheading 2925.19.42) Free No change No change On or