adjuvants (provided for in subheading 3808.91.25) Free No change No change On or before 12/31/2024 . 4570. Pyrifluquinazon 20SC Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.81 Mixtures of 1-acetyl-6-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)-3-(pyridin-3-ylmethylamino)-4H-quinazolin-2-one (Pyrifluquinazon) (CAS No. 337458–27–2) and application adjuvants (provided for in subheading 3808.91.25) Free No change No change On or before 12/31/2024 . 4571. Imidacloprid and Muscalure formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.82 Product mixtures containing (NE)-N-[1-[(6-chloropyridin-3-yl)methyl]imidazolidin-2-ylidene]nitramide (Imidacloprid) (CAS No. 138261–41–3) and (Z)-tricos-9-ene (Muscalure) (CAS No. 27519–02–4) (provided for in subheading 3808.91.25) Free No change No change On or before 12/31/2024 . 4572. Formulations of acephate and bifenthrin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.83 Formulations of N-[methoxy(methylsulfanyl) phosphoryl]acetamide (Acephate) (CAS No. 30560–19–1) and (2-methyl-3-phenylphenyl)methyl (1R,3R)-3-[(Z)-2-chloro-3,3,3-trifluoroprop-1-enyl]-2,2-dimethylcyclopropane-1-carboxylate (Bifenthrin) (CAS No. 82657–04–3) (provided for in subheading 3808.91.25) Free No change No change On or before 12/31/2024 . 4573. Fipronil Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.84 (RS)-5-Amino-1-[2,6-dichloro-4-(trifluoromethyl) phenyl]-4-(trifluoromethysulfinyl)-1H-pyrazole-3-carbonitrile (Fipronil) (CAS No. 120068–37–3) (provided for in subheading 3808.91.25) Free No change No change On or before 12/31/2024 . 4574. Aluminum phosphide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.85 (Formulated aluminium phosphide (alumanylidynephosphane) (CAS No. 20859–73–8) (provided for in