Judgment of the Court (Grand Chamber) of 29 June 2004 in Case C-486/01 P: Front National v European Parliament (Appeal — Statement of formation of a group within the meaning of Rule 29(1) of the Rules of Procedure of the European Parliament — Lack of political affinities — Retroactive dissolution of the TDI Group — Cross-appeal — Interpretation of the fourth paragraph of Article 230 EC — Meaning of decision of ‘direct and individual’ concern to a natural or legal person — Inadmissibility of action brought by a national political party)