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Factbox-Main provisions of the 2015 Iran nuclear deal abandoned by Trump

Published by Global Banking & Finance Review

Posted on June 12, 2026

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· Last updated: June 12, 2026

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Factbox: Main Provisions of the 2015 Iran Nuclear Deal and Trump’s Withdrawal

Overview and Key Provisions of the Iran Nuclear Deal

WASHINGTON, June 12 (Reuters) - The U.S. says it is close to signing a peace deal that would end the three-month-old war with Iran, though terms have not yet been made public.

It is not clear at this point how any agreement would stack up against the 2015 deal with Iran, which lifted sanctions in exchange for restrictions on its nuclear activities.

The agreement, signed by Iran, the U.S., Russia, China, France, Britain and Germany, aimed to extend the time Iran would need to produce a nuclear bomb from two to three months to a year. Tehran says it has never had a nuclear weapons program.

Trump pulled the U.S. out of the deal in 2018 during his first term in office and re-imposed sanctions. Iran began breaching its terms in 2019, and United Nations sanctions were reimposed in 2025. The deal is now effectively dead.

Below are the main elements of the 2015 deal, known as the Joint Comprehensive Plan of Action (JCPOA).

Sanctions Relief

Scope of Sanctions Lifted

The U.S., European Union and United Nations lifted sanctions that targeted Iran's oil, gas, petrochemical, banking, shipping and auto sectors, as well as its trade in gold and minerals. The EU and U.S. also removed the Central Bank of Iran and other entities and people from sanctions lists. The U.S. allowed sales of commercial aircraft and imports of Iranian carpets and food.

Uranium Enrichment

Enrichment Limits

Iran agreed to cap enrichment at 3.67% purity for 15 years, far below the 90% purity needed to produce a weapon. That is also below the 20% level Iran had produced before the deal. 

Stockpile and Centrifuge Reductions

Iran also agreed to cap its enriched uranium stockpile at 300 kilograms, down from the much larger amounts it had previously produced, and reduce the number of centrifuges from 19,000 to 6,100. Excess material was downblended to the level of natural uranium or shipped out of the country. That reduced Iran's stockpile by 98%, according to the United States.

Fordow Facility Conversion

The underground Fordow enrichment facility was to be converted into a research center. 

Plutonium Production

Arak Reactor Redesign

Iran agreed to redesign its heavy-water reactor at Arak so it could not produce weapons-grade plutonium. 

Monitoring

Inspection Powers

The International Atomic Energy Agency was given wide-ranging inspection powers. 

Reporting

(Reporting by Andy Sullivan; Editing by Sanjeev Miglani)

Key Takeaways

  • Sanctions on Iran’s oil, banking, auto and other sectors were lifted, and Iran regained access to international trade and financial systems (theguardian.com)
  • Iran agreed to limit uranium enrichment to 3.67% and reduce its low-enriched uranium stockpile to 300 kg for 15 years, drastically extending its ‘breakout’ time (iranprimer.usip.org)
  • Iran reduced centrifuge numbers from ~19,000 to 6,104 IR‑1s (only ~5,060 enriching for 10 years), repurposed Fordow to non‑enrichment, and redesigned the Arak reactor to block plutonium weaponization; all under strict IAEA monitoring (armscontrol.org)

References

Frequently Asked Questions

What was the purpose of the 2015 Iran nuclear deal?
The 2015 Iran nuclear deal aimed to limit Iran's nuclear activities and extend the time needed to develop a nuclear bomb in exchange for lifting economic sanctions.
Which countries signed the 2015 Iran nuclear agreement?
The deal was signed by Iran, the U.S., Russia, China, France, Britain, and Germany.
What sanctions were lifted under the Iran nuclear deal?
Sanctions targeting Iran's oil, gas, petrochemical, banking, shipping, auto, and trade sectors were lifted, and entities like the Central Bank of Iran were removed from sanctions lists.
What uranium enrichment limits did Iran agree to?
Iran agreed to cap enrichment at 3.67% purity for 15 years, with its stockpile limited to 300 kilograms, and a reduction in centrifuges from 19,000 to 6,100.
Why did the U.S. withdraw from the Iran nuclear deal?
The U.S. withdrew from the deal in 2018 under President Trump, re-imposing sanctions and citing concerns over Iran’s compliance and the agreement's effectiveness.

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