9902.04.17 Lecithin derived from non-genetically modified rapeseed (CAS No. 8002–43–5) (provided for in subheading 2923.20.20) Free No change No change On or before 12/31/2020 . 313. Lecithin derived from sunflower Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.18 Lecithin derived from non-genetically modified sunflower seeds (CAS No. 8002–43–5) (provided for in subheading 2923.20.20) Free No change No change On or before 12/31/2020 . 314. Lecithin derived from soybean Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.19 Lecithin derived from non-genetically modified soybean (CAS No. 8002–43–5) (provided for in subheading 2923.20.20) Free No change No change On or before 12/31/2020 . 315. Sarkosyl® O Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.20 (Z)-N-Methyl-N-(1-oxo-9-octadecenyl)glycine (N-oleylsarcosine) (CAS No. 110–25–8) (provided for in subheading 2924.19.11) Free No change No change On or before 12/31/2020 . 316. N-Vinylformamide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.21 N-Ethenylformamide (N-vinylformamide) (CAS No. 13162–05–5) (provided for in subheading 2924.19.11) 3.3% No change No change On or before 12/31/2020 . 317. Butanamide, 3-oxo Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.22 3-Oxobutanamide (acetoacetamide) (CAS No. 5977–14–0) (provided for subheading 2924.19.11) Free No change No change On or before 12/31/2020 . 318. Dimethylaminopropyl methacrylamide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.23 N-[3-(Dimethylamino)propyl]-2-methylacrylamide (CAS No. 5205–93–6) (provided for in subheading 2924.19.11) Free No change No change On or before 12/31/2020 . 319. Tetra-n-butylurea Subchapter II of chapter 99 is amended