COMMISSION DECISION of 21 March 2012 on State aid SA.29864 (C 6/10) (ex NN 1/10) implemented by the Czech Republic for České aerolinie, a. s. (ČSA — Czech Airlines a.s. — possible State aid implications of a loan provided by Osinek a.s.) (notified under document C(2012) 1664) (Only the Czech version is authentic) (Text with EEA relevance) (2012/637/EU)