Specially Designated Nationals and Blocked Persons List

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The Specially Designated Nationals and Blocked Persons List, also known as the SDN List, is a United States government sanctions/embargo measure targeting U.S.-designated terrorists, officials and beneficiaries of certain authoritarian regimes, and international criminals (e.g. drug traffickers). The list is managed by the U.S. Treasury’s Office of Foreign Assets Control (OFAC).^[1] When individuals are added to the list of Specially Designated Nationals (SDN), their U.S. assets are blocked. Moreover, their names are added to automated screening systems used by banks in the United States and many foreign countries, making it difficult for them to open or hold accounts, transfer money, or transact properties internationally.^[2] Any individual or entity that provides support related to terrorism, drug trafficking or unauthorized military use to any person or entity appearing on the SDN list risks being penalized under the USA PATRIOT Act.^[3]

The SDN list contains tens of thousands^[4] of companies, organizations, and individuals who have been identified as posing a threat to U.S. national security and foreign and economic policy.^[5] All persons and businesses within the U.S. are prohibited from doing business with blacklisted individuals or are subject to sanctions for violating the law. Financial sanctions include a ban on investment in the stock of the blacklisted individuals and companies in which the blacklisted individuals have a controlling interest, and a ban on new debt (including all securities such as bonds, credits, bills of exchange, etc.) with a maturity of more than 90 days. After the 2014 Crimean crisis, the U.S. blacklisted a number of Russian and Crimean companies for sanctions.^[6] Almost every country is represented on the list.^[7]