The head of the Atomic Energy Organization of Iran says his country will receive the final batch of a shipment of 149 tons of natural uranium on Tuesday.

“Simultaneously with the execution of the JCPOA and over the last year we have imported around 210 tons of uranium into the country,” the Fars News Agency quoted Ali Akbar Salehi as saying on Sunday.

Iran and the five permanent members of the United Nations Security Council -- the United States, France, Britain, Russia and China -- plus Germany started implementing the Joint Comprehensive Plan of Action (JCPOA) on January 16, 2016.

Salehi noted that the shipment would bring the amount of “yellow cake” imported after the landmark nuclear deal to 359 tons, which increases Iran’s stockpile by 60 percent.

Under the agreement, Iran accepted to put limitations on its program in exchange for the removal of nuclear-related sanctions imposed against Tehran.

In accordance to the JCPOA, Iran can sell its enriched uranium material -- called UF6 -- and buy natural uranium or yellow cake in return.

Iran’s purchasing of natural uranium is monitored by the International Atomic Energy Agency.

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