Judgment of the Court of 22 October 2002 in Case C-241/01 (Reference for a preliminary ruling from the Conseil d'État): National Farmers' Union v Secrétariat général du gouvernement (Agriculture — Combating bovine spongiform encephalopathy — Decisions 98/692/EC and 1999/514/EC ending the ban on beef and veal from the United Kingdom — Whether a Member State to which those decisions are addressed may challenge the legality thereof after the time-limit for bringing proceedings has expired or invoke Article 30 EC to justify its refusal to end the ban)