Case T-31/07: Judgment of the General Court of 12 April 2013 — Du Pont de Nemours (France) and Others v Commission (Plant protection products — Active substance flusilazole — Inclusion of flusilazole in Annex I to Directive 91/414/EEC — Actions for annulment — Partial annulment — Non-severability — Inadmissibility — Non-contractual liability — Limiting the inclusion for a period of 18 months and for four crops — Precautionary principle — Principle of proportionality — Right to be heard — Equal treatment — Statement of reasons — Misuse of powers — Sufficiently serious breach of a rule of law conferring rights on individuals)