 Currently, the U.S. sanctions against Iran include an embargo on dealings with the country by the U.S., and a ban on selling aircraft and repair parts to Iranian aviation companies.Sanctions can imposed under the National Emergencies Act (NEA) of 1976, the International Emergency Economic Powers Act (IEEPA) of 1977 and the Iran and Libya Sanctions Act of 1996 (ILSA, later renamed to Iran Sanctions Act (ISA)).Declarations under NEA and IEEPA must be renewed annually to remain in effect.