Jan 20 (Reuters) - Iran said it could quit the global nuclear Non-Proliferation Treaty (NPT) if European countries refer it to the U.N. Security Council for scaling back its commitments under its 2015 nuclear pact with world powers, which the United States quit in 2018.
France, Britain and Germany formally triggered the agreement's dispute mechanism this month, the strongest step they have taken so far to enforce a deal under which Iran was offered sanctions relief in return for curbing its nuclear work.
U.S. President Donald Trump reimposed U.S. sanctions on Iran after pulling Washington out of the pact.
After months of announcing gradual steps to reduce compliance, Iran said on Jan. 6 it would scrap all limits on enriching uranium, saying the Europeans had failed to ensure Iran received the economic benefits promised in the deal.
The dispute resolution process take up to 65 days to play out unless extended by consensus. Here is how it works:
JOINT COMMISSION DISPUTE RESOLUTION PROCESS
STEP ONE - If any party to the nuclear deal, known as the Joint Comprehensive Plan of Action (JCPoA), believes another party is not upholding their commitments they can refer the issue to a Joint Commission, whose members are Iran, Russia, China, Germany, France, Britain and the European Union. (The United States was a member before it withdrew from the deal.)
The Joint Commission would then have 15 days to resolve the issue, unless it agrees by consensus to extend the time period.
STEP TWO - If any party believes the matter has not been resolved after that first step, they can refer it to the foreign ministers of the parties to the deal. The ministers would have 15 days to resolve the issue, unless they agree by consensus to extend the time period.
In parallel with - or in lieu of - consideration by foreign ministers, the complaining party or the party accused of non-compliance could also ask for the issue be looked at by a three-member advisory board. The participants to the dispute would each appoint a member and the third member would be independent.
The advisory board must provide a non-binding opinion within 15 days.
STEP THREE - If the issue is not resolved during the initial 30-day process, the Joint Commission has five days to consider any advisory board opinion in a bid to settle the dispute.
STEP FOUR - If the complaining party is not satisfied after this and considers the matter to "constitute significant non-performance," that party could "treat the unresolved issue as grounds to cease performing its commitments under this JCPoA in whole or in part."
The complaining party could also notify the 15-member U.N. Security Council that the issue constitutes "significant non-performance." In the notification the party must describe the good-faith efforts made to exhaust the Joint Commission dispute resolution process.
UNITED NATIONS SECURITY COUNCIL
STEP FIVE - Once the complaining party notifies the Security Council, the body must vote within 30 days on a resolution to continue Iran's sanctions relief. A resolution needs nine votes in favor and no vetoes by the United States, Russia, China, Britain or France to pass.
STEP SIX - If such a resolution has not been adopted within 30 days, the sanctions in all previous U.N. resolutions would be reimposed - referred to as snapback - unless the council decided otherwise. If the previous sanctions are reimposed they would not apply retroactively to contracts Iran signed. (Reporting by Michelle Nichols in New York and John Irish in Paris Editing by Edmund Blair)
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