Link , Link , [The Office of the Comptroller of the Currency (OCC) is an independent bureau of the U.S. Department of the Treasury. The OCC charters, regulates, and supervises all national banks, federal savings associations, and federal branches and agencies of foreign banks. We ensure that the banks we supervise operate in a safe and sound manner, provide fair access to financial services, treat customers fairly, and comply with applicable laws and regulations. The OCC receives no appropriations from Congress.]