General Court (Sixth Chamber, sitting with five Judges) 19 November 2025, T-1122/23 (Nouryon Functional Chemicals BV and Others v European Chemicals Agency.)

JUDGMENT OF THE GENERAL COURT (Sixth Chamber, Extended Composition) 19 November 2025 ( *1 ) (REACH – Substance di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide – Compliance check of registrations – Request for additional toxicity studies – Article 41 of Regulation (EC) No 1907/2006 – Manifest error of assessment – Error of fact – Proportionality – Decision of the Board of Appeal of ECHA