The 15-member body unanimously adopted a resolution that was negotiated as part of the agreement reached in Vienna last week between Iran and the world's major powers.

In return for lifting US, EU and UN sanctions, Iran will be subjected to long-term curbs on a nuclear program that the West suspected was aimed at creating an atomic bomb, but which Tehran says is peaceful. Passage of the resolution triggers a complex set of coordinated steps agreed by Iran during nearly two years of talks with the United States, Russia, China, Britain, France, Germany and the European Union.

It says that no sanctions relief will be implemented until the International Atomic Energy Agency submits a report to the Security Council verifying that Iran has taken certain nuclear-related measures outlined in the agreement. Under the deal, the major powers don't need to take any further action for 90 days. Then they are required to begin preparations so they are able to lift sanctions as soon as the IAEA verification report is submitted.

The European Union approved the Iran nuclear deal with world powers on Monday. US President Barack Obama's administration has sent the nuclear agreement to Congress, which has the next 60 days to review it.

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