Iran & 6 international mediators: France, the United Kingdom, China, the United States, Russia & Germany reached a historic agreement around 4 years ago, called the Joint Comprehensive Plan of Action (JCPOA) and majorly known as the Iran nuclear deal, which was aimed at preventing Iran from getting the acquisition of nuclear weapons.
The Iran nuclear deal, concluded on 14th of July, 2015, provides for the steady lifting of the economic, as well as, financial sanctions imposed on Iran by the Security Council of the United Nations, the European Union the United States in exchange for the Tehran’s guarantees that the nuclear program of the country would remain peaceful.
Under the Joint Comprehensive Plan of Action, Iran signed an agreement to long-term restrictions on all the uranium enrichment activities, as well as, R&D in this area for straight 8 years.
In specific, Iran was obliged to begin phasing out its IR-1 centrifuges, which used to enrich uranium, a component of nuclear weapons over a period of ten years.
In this setting, Tehran vowed to keep no more 5,060 IR-1 centrifuges at the Natanz enrichment facility and pledged that extra centrifuges & enrichment-related infrastructure would be kept under observation of the International Atomic Energy Agency (IAEA).
The deal gives allowance to Iran to keep carrying out R & D activities related to the IR-4, IR-5, IR-6 & IR-8 centrifuges without collecting enriched uranium. The JCPOA gives permission to the country to test up to 30 IR-6 and IR-8 centrifuges after the deal has been in place for 8.5 years.
Tehran is also obliged to carry out its uranium enrichment activities, inclusive of research and development, only at the Natanz facility.
Meanwhile, Iran was to convert its fuel enrichment facility in Fordow into a physics, nuclear, and technology center.