2
OFAC acts under Presidential wartime and national emergency powers, as well as
authority granted by specific legislation, to impose controls on transactions and to freeze
assets under U.S. jurisdiction. Many of the sanctions are based on United Nations and
other international mandates, therefore they are multilateral in scope, and involve close
cooperation with allied governments. Other sanctions are specific to the interests of the
United States. OFAC has been delegated responsibility by the Secretary of the Treasury
for developing, promulgating, and administering U.S. sanctions programs.
1
All U.S. persons,
2
including U.S. banks, bank holding companies, and non-bank
subsidiaries must comply with OFAC’s regulations.
3
The federal banking agencies
evaluate OFAC compliance systems to ensure that all banks subject to their
supervision comply with the sanctions.
4
Unlike the BSA, the laws and OFAC-
issued regulations apply not only to U.S. banks, their domestic branches, agencies,
and international banking facilities, but also to their foreign branches, and often
overseas offices and subsidiaries. In general, the regulations require the following:
• Block accounts and other property of specified countries, entities, and individuals.
• Prohibit or reject unlicensed trade and financial transactions with specified
countries, entities, and individuals.
Blocked Transactions
U.S. law requires that assets and accounts be blocked when such property is located in
the United States, is held by U.S. individuals or entities, or comes into the possession or
1
Trading With the Enemy Act (TWEA), 50 USC App 1-44; International Emergency Economic Powers
Act (IEEPA), 50 USC 1701 et seq.; Antiterrorism and Effective Death Penalty (AEDPA), 8 USC 1189, 18
USC 2339B; United Nations Participation Act (UNPA), 22 USC 287c; Cuban Democracy Act (CDA), 22
USC 6001-10; The Cuban Liberty and Democratic Solidarity Act (Libertad Act), 22 USC 6021-91; The
Clean Diamonds Trade Act, Pub. L. No. 108-19; Foreign Narcotics Kingpin Designation Act (Kingpin
Act), 21 USC 1901-1908, 8 USC 1182; Burmese Freedom and Democracy Act of 2003, Pub. L. No. 10861,
117 Stat. 864 (2003); The Foreign Operations, Export Financing and Related Programs Appropriations Act,
Sec 570 of Pub. L. No. 104-208, 110 Stat. 3009-116 (1997); The Iraqi Sanctions Act, Pub. L. No. 101513,
104 Stat. 2047-55 (1990); The International Security and Development Cooperation Act, 22 USC 2349
aa8-9; The Trade Sanctions Reform and Export Enhancement Act of 2000, Title IX, Pub. L. No. 106387
(October 28, 2000).
2
All U.S. persons must comply with OFAC regulations, including all U.S. citizens and permanent resident
aliens regardless of where they are located, all persons and entities within the United States, all U.S.
incorporated entities and their foreign branches. In the case of certain programs, such as those regarding
Cuba and North Korea, foreign subsidiaries owned or controlled by U.S. companies also must comply.
Certain programs also require foreign persons in possession of U.S. origin goods to comply.
3
Additional information is provided in “Foreign Assets Control Regulations for the Financial Community,”
which is available on OFAC’s web site www.treas.gov/ofac/.
4
31 CFR chapter V.