The Bank of Sierra Leone is the central bank of Sierra Leone. It issues the country’s currency, known as the Leone. The bank formulates and implements monetary policy, including foreign exchange  To achieve and maintain price stability, formulate and implement monetary policy, financial regulation and prudential standards; Act as banker, adviser and fiscal agent of the Government; Formulate and implement the foreign exchange policy of Sierra Leone; Conduct foreign exchange operations and establish, promote, license and oversee sound and efficient payment and securities settlement systems.