Key Sunsets Under the JCPOA and UNSC Resolution 2231
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February 24, 2021

Key Sunsets Under the JCPOA and
UNSC Resolution 2231

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A re-entry into the 2015 Joint Comprehensive Plan of Action (JCPOA) by the United States would be a disservice to America’s nonproliferation objectives. Many of the major limitations included in the JCPOA and its accompanying United Nations Security Council resolution on the Islamic Republic’s nuclear and missile programs are set to expire or “sunset."

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  • UN arms embargo ended
  • Select UN-sponsored visa bans lifted
  • U.S. and EU/UK sanctions on select proliferation-linked entities lapses
  • Select UN-sponsored visa bans lifted
  • UN prohibition on Iranian ballistic missile launches ends
  • UN-sponsored asset freezes terminate
  • Advanced centrifuge restrictions begin to sunset
  • Past UNSC resolutions related to Iran's nuclear program terminate
  • UN procurement channel for nuclear-related imports ends
  • "Snapback" mechanism to restore international sanctions on Iran expires
  • Restrictions on mass deployment of centrifuges including advanced centrifuges, begin to sunset
  • Remaining restrictions on advanced centrifuge deployments lifted
  • No cap on enrichment purity level
  • No cap on enriched uranium stockpile
  • Enrichment permitted at Fordow Fuel Enrichment Plan
  • New enrichment plants permitted
  • Plutonium reprocessing prohibition lifted
  • Heavy water reactors permitted
  • No cap on heavy water production/domestic stockpiling

After 2031, there are no provisions that stop Iran from producing and amassing weapon-grade uranium. If the United States re-joins the JCPOA, Washington would be re-entering an accord that doesn’t block Iran’s pathways to nuclear weapons.