Which of the following countries has agreed to a time schedule with the International Atomic Energy Agency (IAEA) so that IAEA can ensure that its uranium facilities are for peaceful use of the nuclear power?

Iran agreed to a time schedule with the International Atomic Energy Agency (IAEA) to ensure that its uranium facilities are used for peaceful nuclear power purposes. This agreement was part of international efforts to address concerns about Iran's nuclear program. The IAEA's role is to verify that nuclear materials and facilities in member states are used exclusively for peaceful purposes.