On or before 12/31/2025 . 11455. 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 subheading 3808.91.30) Free No change No change On or before 12/31/2025 . 11456. Magnaphos formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.86 Formulations of magnesium phosphide (trimagnesi­um