In Iran, President Mahmoud Ahmadinejad today signed a bill to continue uranium enrichment, and limiting cooperationwith the UN's nuclear watchdog.State news agency IRNA reported, the law on Safeguarding the Islamic Republic of Iran'sPeaceful Nuclear Achievements signed by President calls for continued enrichment of uranium to 20 percent level.Under the new law the government is obliged to continue its efforts to produce fuel for the Tehran research reactor. The law also stipulates that the government cooperate with the International Atomic Energy Agency only under the framework of the Non-Proliferation Treaty's general regulations. Western countries including the United Nations, the United States, the European Union, Australia and Canada have imposed sanctions on Iran for pursuing the enrichment programme.Tehran says its entire atomic programme is purely civilian in nature.