Some sanctions imposed by the United States government are:
No arms-related exports
Controls over dual-use exports
Restrictions on economic assistance
Financial restrictions
--- US opposes loans by the World Bank and similar institutions
--- Diplomatic immunity waived to allow families of terrorist victims to file for civil damages in US courts
--- Tax credits denied for income earned in listed countries
--- Duty-free goods exemption suspended for imports from those countries
--- Authority to prohibit a US citizen from engaging in financial transactions with the government on the list without a license from the US government.
--- Prohibition of Defense Department contracts above $100,000 with companies controlled by countries on the list.