The role of sanctions in negotiations with Iran
7 November 2013 Last updated at 07:38 GMT
Negotiators from Iran and key world powers are meeting again in Geneva to see if they can make progress on the nuclear stand-off that has dragged on for a decade.
Western negotiators want Iran to show it's not developing nuclear weapon capabilities.
Sanctions have been in place since 2006 against Iran to persuade Tehran to comply.
James Robbins reports on the extent of the present sanctions and how they affect Iranians.