Also, Iran's state-run media say the government plans to build 10 new uranium enrichment plants similar to the country's main enrichment facility in Natanz.
State media report five locations have already been approved for new plants, and the country's Atomic Energy Agency has been directed to find five additional sites.
Meanwhile, the Iranian parliament is urging the government to lessen its cooperation with the International Atomic Energy Agency. The warning comes two days after the IAEA censured Iran for not cooperating enough.
Parliament speaker Ali Larijani cautioned Western powers Sunday against keeping up pressure on Iran, saying it may force parliament to review the country's stance toward the U.N. nuclear agency.
Addressing lawmakers, Larijani called the pressure "outdated games", and said that would do nothing to help with negotiations.
The speaker warned the United States and other members of the five-plus-one group of nations working on the Iran nuclear issue - France Britain, Russia, China and Germany - not to make Iran chose another path and seriously decrease cooperation.
Lawmakers later read a declaration asking the government to draw up a plan to reduce the level of cooperation with the IAEA.
Iranian officials have been reacting harshly to the censure by the IAEA's board Friday over its nuclear activities. The IAEA resolution criticized Iran for defying international demands to freeze uranium enrichment and for secretly building a nuclear facility.
The IAEA wants Tehran to stop construction of the Fordow uranium enrichment site, revealed, apparently under duress, in September. The agency says the facility near the holy city of Qom, should have been revealed earlier. It also wants confirmation that there are no other hidden nuclear sites.
China and Russia took part in the rebuke, moving away from their past reluctance to come down hard on Tehran, with which they have close ties.
The rare moment of anti-Iranian solidarity appeared to take many officials in Tehran by surprise. Beijing and Moscow's support, guided in part by extensive business deals, had been seen as protection against further international sanctions.
The tensions coincide with problems over an IAEA proposal to send Iran's uranium abroad for enrichment, part of a plan to ease Western concerns Tehran might be pursuing nuclear weapons. Iran denies the charge, and has offered counterproposals to the deal, none to the liking of the IAEA.
Also on Sunday, lawmakers decided to counter Western charges of Iranian human rights abuses, setting aside $20 million to support those who they say could expose alleged abuses by the U.S. and Britain. The money would also go to groups, which "resist" those two countries, a description usually applied to Hamas and Hezbollah, both considered terrorist groups by the United States.
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