Tajbakhsh -- the only American on trial inTehran -- resigned from his position with the foundation after he was arrested and detained for four months in 2007 on unspecified charges.
At the talks in the Kazakh city of Almaty they are asking Tehranonly to greatly limit its production and stockpiling of uranium enriched to 20 percent, which is just a technical step away from weapons-grade uranium.
President of the Foreign Relations Committee Guillermo Carmona defended the agreement, saying that it was the only way to make it possible for Argentine legal officials to question Iranian suspects inTehran.