Office of the Comptroller of the Currency (OCC)

The Office of the Comptroller of the Currency (OCC) is one of a number of United States bank regulatory agencies that supervise financial institutions depending on their type of banking charter. The OCC charters, regulates, and supervises all national banks, that menas banks that have the word "National" in or the letters "N.A." after their names.

It also supervises the federal branches and agencies of foreign banks. Headquartered in Washington, D.C., the OCC has four district offices plus an office in London to supervise the international activities of national banks.

The OCC was established in 1863 as a bureau of the U.S. Department of the Treasury. The OCC is headed by the Comptroller, who is appointed by the President with Congressional approval. The Comptroller also serves as a director of the Federal Deposit Insurance Corporation (FDIC).