The Sanctions List Search tool uses approximate string matching to identify possible matches between word or character strings as entered into Sanctions List Search, and any name or name component as it appears on the SDN List and/or the various other sanctions lists. These program codes indicate how a true hit on a returned value should be treated. Given the number of lists that now reside in the Sanctions List Search tool, it is strongly recommended that users pay close attention to the program codes associated with each returned record. When entering into discussions with a proposed collaborator, it is critical to check the SDN list for the name of the person or entity with which you are dealing.This Sanctions List Search application ('Sanctions List Search') is designed to facilitate the use of the Specially Designated Nationals and Blocked Persons list ('SDN List') and other sanctions lists administered by OFAC, including the Foreign Sanctions Evaders List, the Sectoral Sanctions Identifications List, the List of Foreign Financial Institutions Subject to Correspondent Account or Payable-Through Account Sanctions, the Non-SDN Palestinian Legislative Council List, the Non-SDN Menu-Based Sanctions List, and the Non-SDN Communist Chinese Military Companies List. OFAC designates persons and entities as SDNs for narcotics trafficking, weapons proliferation and other reasons. OFAC can also designate persons and entities (including persons and entities in the United States) as Specially Designated Nationals (' SDN list'). The list of sanctioned countries is updated periodically and is available here. Currently, sanctioned countries include the Balkans, Belarus, Burma, Cote D'Ivoire (Ivory Coast), Cuba, Democratic Republic of Congo, Iran, Iraq, Liberia, North Korea, Sudan, Syria, and Zimbabwe. Some sanctions are more restrictive than others, and apply to the whole country, while others are specifically target certain individuals or entities within a country. These sanctions may require obtaining OFAC approval before conducting research or other activities in or involving the sanctioned country. Depending on the country, OFAC programs may freeze assets of embargoed countries, prohibit payment of funds to individuals and countries on the embargo list, or prohibit provision of services to countries subject to US sanctions. The Treasury Department's Office of Foreign Assets Control (OFAC) administers and enforces economic sanctions imposed by the United States against foreign countries.

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