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Iran Sanctions

Kenneth Katzman | Congressional Research Service | 2010-06-23

"Numerous U.S. laws and regulations have been adopted to try to slow Iran's weapons of mass destruction (WMD) programs and curb its support for militant groups. The U.S. belief is that sanctions, particularly those targeting Iran's energy sector, which provides about 80% of government revenues, can reduce Iran's ability to support its WMD programs and generate domestic pressure within Iran to adopt policies more acceptable to the international community. Some United Nations sanctions have been imposed since 2006, with many of those same objectives, although more narrowly targeted to avoid harming the civilian population of Iran. The wide range of U.S. sanctions restrict U.S. trade with and investment in Iran, prohibit U.S. foreign aid to Iran, and require the United States to vote against international lending to Iran. Several laws and executive orders authorize the imposition of U.S. penalties against foreign companies that do business with Iran, as part of an effort to persuade foreign firms to choose between the Iranian market and the much larger U.S. market. U.S. efforts to curb international energy investment in Iran's energy sector began in 1996 with the Iran Sanctions Act (ISA), but no firms have been sanctioned under it. Still, ISA, when coupled with broader factors, may have influenced some international firms' decisions to refrain from investing in energy projects in Iran."

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