The Office of Terrorist Finance and Financial Crimes (TFFC) is an agency of the United States federal government in the United States Department of the Treasury. Under the supervision of the Under Secretary for Terrorism and Financial Intelligence, the TFFC is policy development and outreach office for the Under Secretary and works across all elements of the national security community – including the law enforcement, regulatory, policy, diplomatic and intelligence communities – and with the private sector and foreign governments to identify and address the threats presented by all forms of illicit finance to the international financial system.