The UN atomic watchdog said it needs 1 million euros in extra funding to help pay for its monitoring of a four-month extension of an interim nuclear deal between Iran and six world powers.

The request was made in a note to member states of the UN International Atomic Energy Agency (IAEA) dated July 24 and seen by Reuters on Friday, six days after the extension of last year's agreement was announced.

Iran and the six powers - the United States, France, Germany, Russia, Britain and China - agreed to continue talking after they failed to meet a July 20 deadline for a final accord to end the decade-old dispute over Iran's nuclear programme.

The IAEA has a pivotal role in verifying that Iran is complying with the preliminary agreement, under which Tehran halted its most sensitive uranium enrichment in exchange for a limited easing of sanctions that are hurting its economy.

The short-term deal was designed to buy time for talks on a comprehensive agreement on the permissible scope of a nuclear program which Iran says is peaceful but which the West fears may be aimed at developing an atomic weapons capability.

The IAEA saw its workload increase significantly under last November's preliminary accord, initially due to run for six months from Jan. 20 but now prolonged until Nov. 24.

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