Iran agreed nine months ago to freeze all its enrichment-related activities for as long as talks with Germany, France, Britain and the European Union continued.
The agreement commits North Korea to freeze all its nuclear activities within one month.
Iran agreed in talks in Paris on Nov. 15 to freeze all its nuclear activities.
That agreement froze Iran's enrichment-related activities in exchange for potential political and economic rewards.
It froze all its activities with the FIA until Max Mosley leaves office.
First, though, Tehran would have to freeze all its enrichment-related activities and commit to keeping them halted during the negotiations.
After he was released, he become politically inactive and advocated that HSS should also freeze its activities in order to avoid the arrests by the communists.
Last year he described Iran's decision to freeze its nuclear activities while it tried to reach a settlement with Europe as "trading a pearl for a lollipop."
Thursday was the deadline set by the Security Council for Iran to freeze its enrichment-related activities.
The World Trade Organization announced it would start talks to admit Iran as a member, a reward for Tehran's agreement to continue to freeze its nuclear activities.