Iran and experts from the UN nuclear watchdog are satisfied with the results of the recent talks on Tehran's controversial nuclear program, Iran's deputy nuclear negotiator said on Thursday.

Iranian state media say the government is holding a second day of talks with U.N. nuclear experts in Tehran to try to resolve concerns about the country's nuclear program.

French President Nicolas Sarkozy said on Wednesday that Russian and French positions had become closer with regard to Iran's nuclear program.

Iran says it will hold another round of talks with U.N. nuclear experts this week to answer questions about its disputed nuclear program. Iranian foreign ministry spokesman Mohammad Ali Hosseini said Sunday the talks with the International Atomic Energy Agency (IAEA) will take place Tuesday in Tehran.

France's foreign minister said on Tuesday that additional sanctions should be imposed on Iran in connection with the country's nuclear program. Western countries, led by the U.S., suspect the Islamic republic of harboring ambitions to produce a nuclear weapon.

An Iranian official says his country will continue cooperating with the U.N. nuclear agency to prevent the imposition of more Security Council sanctions. Foreign Ministry spokesman Mohammad Ali Hosseini made the comment Sunday.

The world's major powers have agreed to delay a vote on tougher sanctions on Iran until late November at the earliest, depending on reports by the UN nuclear watchdog and a European Union negotiator.

World powers are meeting in New York to try to narrow their differences on tougher sanctions against Iran for its controversial nuclear program.

Iran's foreign minister called Friday on the six parties involved in talks on his country's controversial nuclear program to back Tehran's cooperation with the United Nations nuclear watchdog.

Iranian President Mahmoud Ahmadinejad, in a United Nations address Tuesday, said the issue of Iran's nuclear program is closed because of Tehran's cooperation with the International Atomic Energy Agency, the IAEA. He said Iran would consider further U.N. Security Council sanctions against his country completely illegal.

The U.S. Congress approved Tuesday a bill toughening sanctions against Iran and banning the White House from any new nuclear cooperation with Russia and other countries.

A senior State Department official said Monday the credibility of the U.N. Security Council is at stake in efforts to come up with new sanctions resolution against Iran over its nuclear program. Undersecretary of State for Political Affairs Nicholas Burns spoke at the U.N. in New York, where intensive consultations on a new resolution will be held this week.