heading: 9902.03.56 2-Nitroaniline (CAS No. 88–74–4) (provided for in subheading 2921.42.55) Free No change No change On or before 12/31/2020 . 253. 3,5-Difluroaniline Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.57 3,5-Difluoroaniline (CAS No. 372–39–4) (provided for in subheading 2921.42.65) Free No change No change On or before 12/31/2020 . 254. S-N-Alkyl-anilin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.58 2-Ethyl-N-[(2S)-1-methoxypropan-2-yl]-6-methylaniline (CAS No. 118604–70–9) (provided for in subheading 2921.42.65) 4.1% No change No change On or before 12/31/2020 . 255. 2,6-Dichloroaniline Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.59 2,6-Dichloroaniline (CAS No. 608–31–1) (provided for in subheading 2921.42.90) Free No change No change On or before 12/31/2020 . 256. N-Ethyl-N-benzyl aniline CAS 92-59-1 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.60 N-Benzyl-N-ethylaniline (CAS No. 92–59–1) (provided for in subheading 2921.42.90) Free No change No change On or before 12/31/2020 . 257. Ethyl benzylaniline sulfonic acid (EBASA) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.61 α-N-Ethylanilinotoluene-3-sulfonic acid (CAS No. 101-11-1) (provided for in subheading 2921.42.90) Free No change No change On or before 12/31/2020 . 258. p-Chloroaniline Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.62 p-Chloroaniline (CAS No. 106–47–8) (provided for in subheading 2921.42.90) Free No change No change On or before 12/31/2020 . 259. Sodium hydrogen 2-aminobenzene-1,4-disulfonate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.03.63 Sodium hydrogen 2-aminobenzene-1,4-disulfonate