Signature - Commission Decision of 24 March 2011 on the allocation of quantities of controlled substances allowed to be imported or produced for laboratory and analytical uses in the Union in 2011 under Regulation (EC) No 1005/2009 of the European Parliament and of the Council on substances that deplete the ozone layer (notified under document C(2011) 1819) (Only the Dutch, English, French, German, Italian, Spanish and Swedish texts are authentic) (2011/184/EU)