Case C-255/04: Judgment of the Court (First Chamber) of 15 June 2006 — Commission of the European Communities v French Republic (Admissibility — Inconsistency between the grounds pleaded and the heads of claim in the application initiating proceedings — Rule whereby a Court may not rule ultra petita — Article 49 EC — National legislation making the grant of a licence subject to the needs of the market — National legislation imposing a presumption of salaried status — Reversal of the burden of proof — Absence of detailed procedural rules within the meaning of the Peterbroeck case-law — Social protection — Coordination of the applicable legislation by Regulation (EEC) No 1408/71 — Pre-emption — Action to combat concealed employment)