; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (57) Methomyl Heading 9902.05.18 is amended— (A) by striking 5% and inserting Free ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (58) Allyl isothiocyanate Heading 9902.05.26 is amended— (A) by striking Free and inserting 1.0 ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (59) PMIDA Heading 9902.05.29 is amended— (A) by striking 2.5% and inserting 3.0% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (60) Triphenyltin hydroxide Heading 9902.05.32 is amended— (A) by striking Free and inserting 3.2% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (61) PBA Solid (phenyl boronic acid) Heading 9902.05.34 is amended— (A) by striking 4.6% and inserting 1.9% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (62) Sedaxane Heading 9902.05.68 is amended— (A) by striking Free and inserting 6.2% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (63) Technical fluazinam fungicide Heading 9902.05.83 is amended— (A) by striking Free and inserting 3.5% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (64) Imazethapyr Heading 9902.05.86 is amended— (A) by striking 2.2% and inserting 4.3% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (65) Fluridone Heading 9902.05.87 is amended— (A) by striking Free and inserting 0.1% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (66) Bicyclopyrone Heading 9902.05.88 is amended— (A) by striking 4% and inserting 2.5% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (67) Clopyralid technical Heading 9902.05.89 is amended— (A) by striking 1.4% and inserting 3.4% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (68) Aminopyralid technical Heading 9902.05.92 is amended— (A) by striking 4.1% and inserting 3.5% ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (69) Fluroxypyr technical Heading 9902.05.94 is amended— (A) by striking 1.6% and inserting 4.6%