; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (34) Dimethyl carbonate Heading 9902.03.46 is amended— (A) by striking Free and inserting 1.2% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (35) Perfluorocarbons for performance fluid Heading 9902.03.50 is amended— (A) by striking Free and inserting 0.7% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (36) 3,5- D ifluoroaniline Heading 9902.03.57 is amended— (A) by striking Free and inserting 1.5% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (37) Trifluralin Heading 9902.03.65 is amended— (A) by striking 4% and inserting 1.2% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (38) Ethalfluralin Heading 9902.03.66 is amended— (A) by striking Free and inserting 1.3% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (39) o- T oluidine Heading 9902.03.71 is amended— (A) by striking 5.5% and inserting 5.8% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (40) m PDA Heading 9902.03.80 is amended— (A) by striking Free and inserting 5.4% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (41) 4- ADPA (4-aminodiphenylamine) Heading 9902.03.82 is amended— (A) by striking 4.6% and inserting 5.3% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (42) 4,4′-Diaminostilbene-2,2′-disulfonic acid Heading 9902.03.84 is amended— (A) by striking 1.5% and inserting 4.3% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (43) Prodiamine Heading 9902.03.87 is amended— (A) by striking 1.6% and inserting 4.1% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (44) p -C residine sulfonic acid Heading 9902.03.98 is amended— (A) by striking Free and inserting 4% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (45) Choline hydroxide Heading 9902.04.16 is amended— (A) by striking Free and inserting 0.6% ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (46) Diuron Heading 9902.04.30 is amended— (A) by striking 0.4% and inserting 3.8%