What part of do you come from? http://thumbzilla.fun/ thumbzilla.com In 2003, the Federal Reserve issued a letter to Citigroup,which had been seeking permission to allow its Phibro unit -acquired in 1998 - to continue trading in physical energymarkets. The Bank Holding Company Act (BHC Act) normallyprohibits banks from engaging in non-financial activities, butCiti had argued that the activities should be allowed.