COMMISSION IMPLEMENTING DECISION of 2 May 2011 recognising in principle the completeness of the dossier submitted for detailed examination in view of the possible inclusion of beta-cypermethrin, eugenol, geraniol and thymol in Annex I to Council Directive 91/414/EEC (notified under document C(2011) 2776) (Text with EEA relevance) (2011/266/EU)