Measures include scrutiny of financial transactions and cargo inspections . The Seoul branch of Iran 's Bank Mellat has allegedly facilitated hundreds of millions of dollars in transactions for Iranian nuclear , missile and defense agencies , the Yonhap news agency said . The United States has been a major exporter of arms to Saudi Arabia since the 1970s. Iran has dismissed suspicions that it is enriching uranium to build a nuclear bomb . The country has defied U.N. Security Council resolutions , the IAEA says .
Measures include scrutiny of financial transactions and cargo inspections . The United States has been a major exporter of arms to Saudi Arabia since the 1970s. Iran has dismissed suspicions that it is enriching uranium to build a nuclear bomb . The country has defied U.N. Security Council resolutions , the IAEA says .