Decision of the European Central Bank of 31 October 2011 amending Decision ECB/2010/15 concerning the administration of EFSF loans to Member States whose currency is the euro, and amending Decision ECB/2010/31 concerning the opening of accounts for the processing of payments in connection with EFSF loans to Member States whose currency is the euro (ECB/2011/16) (2011/728/EU)