; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (62) Clodinafop-propargyl Heading 9902.05.91 is amended— (A) by amending the article description to read as follows: 2-Propyn-1-yl (2R)-2-{4-[(5-chloro-3-fluoro-2- pyridinyl)oxy]phenoxy}propanoate (Clodinafop-propargyl) (CAS No. 105512–06–9) (provided for in subheading 2933.39.25) ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (63) Acetamiprid technical Heading 9902.05.99 is amended— (A) by amending the article description to read as follows: (E)-N1-[(6-Chloro-3-pyridyl)methyl]-N2-cyano-N1- methyl-acetamidine (Acetamiprid) (CAS No. 135410–20–7) (provided for in subheading 2933.39.27) ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (64) Pyriproxyfen Heading 9902.06.04 is amended— (A) by amending the article description to read as follows: 2-{[1-(4-Phenoxyphenoxy)-2-propanyl]oxy}pyridine (Pyriproxyfen) (CAS No. 95737–68–1) (provided for in subheading 2933.39.27) ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (65) Certain Light Stabilizer Heading 9902.06.14 is amended— (A) by amending the article description to read as follows: N-[6-[formyl-(2,2,6,6-tetramethylpiperidin-4-yl)amino]hexyl]-N-(2,2,6,6-tetramethylpiperidin-4-yl)formamide (CAS No. 124172–53–8) (provided for in subheading 2933.39.61) ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (66) N,N′-Bis(2,2,6,6-tetramethyl-4-piperidinyl)isoph Heading 9902.06.16 is amended— (A) by amending the article description to read as follows: N,N′-Bis(2,2,6,6-tetramethyl-4-piperidinyl)isophthalamide (CAS No. 42774–15–2) (provided for in subheading 2933.39.61) ; and (B) by striking 12/31/2020 and inserting 12/31/2024 . (67) UV absorber Heading 9902.06.17 is amended— (A) by amending the article description to read as follows: 3-Dodecyl-1-(2,2,6,6-tetramethyl-4-piperidinyl)-2,5-pyr- rolidinedione (CAS No. 79720–19–7) (provided for in subheading 2933.39.61)