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Iran and US Sign 14-Point Agreement to End Conflict, Implementation Uncertain

Iran and the United States have signed a 14-point memorandum of understanding to end nearly four months of conflict, with commitments to cease military operations, prevent Iran from developing nuclear weapons, and reopen the Strait of Hormuz. The agreement takes effect immediately, but implementation remains uncertain as Iran warns it will monitor US compliance closely, and the US faces internal political backlash. Experts expect nuclear negotiations to extend beyond the 60-day timeline, while regional tensions persist, particularly in southern Lebanon.


Quick Facts
Who
Donald Trump
What
Signed a 14-point memorandum of understanding
When
2026-06-18
Where
Iran
- Signed a 14-point memorandum of understanding
- End military operations on all fronts
- Prevent Iran from developing or acquiring a nuclear weapon
- Reopen the Strait of Hormuz
- Negotiate a final deal within 60 days
Iran and the United States have formally agreed to a 14-point memorandum of understanding aimed at ending nearly four months of hostilities between the US, Israel, and Iran. The agreement, electronically signed by US President Donald Trump and Iranian President Masoud Pezeshkian, took effect immediately, according to Pakistani officials and statements from both governments. The deal includes commitments to cease military operations on all fronts, prevent Iran from developing or acquiring nuclear weapons, and fully reopen the strategic Strait of Hormuz, a vital global shipping route.
While the accord is being welcomed as a potential breakthrough, questions remain about its implementation. Iran’s Foreign Ministry spokesperson, Esmaeil Baghaei, confirmed that Tehran and Washington have finalized and signed the memorandum, paving the way for negotiations on a final deal within 60 days. However, Baghaei warned that Iran will monitor US compliance ‘without any leniency’ and will not fulfill its commitments if the US fails to meet its obligations. He reiterated that Iran’s missile program is not open for negotiation.
In the United States, President Trump faces criticism from within his own party. Prominent Republicans, including former Vice President Mike Pence, former UN ambassador Nikki Haley, and Senator Bill Cassidy, have denounced the interim agreement. Critics argue that the deal does not sufficiently curb Iran’s nuclear ambitions and object to a proposed $300 billion reconstruction plan for Iran. Some Republicans have compared the agreement to former President Barack Obama’s 2015 nuclear deal, from which Trump withdrew during his first term.
Experts anticipate that nuclear talks between the US and Iran will extend beyond the 60-day timeline. Kenneth Katzman, a senior fellow at the Soufan Center, described the negotiations as ‘very detailed’ and ‘very exhaustive,’ noting that issues such as uranium enrichment, stockpiles of highly enriched uranium, and verification measures will require extensive technical work.
In the region, the situation remains volatile. Rami Khouri, a distinguished fellow at the American University of Beirut, said a full Israeli withdrawal from southern Lebanon is unlikely in the near term and that broader regional issues will still need to be addressed. Al Jazeera’s Zeina Khodr reported from southern Lebanon that Israeli attacks continue and that many residents are concerned whether Israel will respect the ceasefire. Large areas of southern Lebanon remain inaccessible to civilians after months of fighting and destruction.
Why This Matters
This agreement could reshape global oil markets by reopening the Strait of Hormuz, and its success or failure will determine the trajectory of US-Iran relations, affecting regional stability in the Middle East. Investors should monitor implementation closely, as any breakdown may trigger renewed volatility in energy prices and geopolitical risk premiums.
Timeline & Sources
Feb 28, 2026
WireConflict began between the US, Israel, and Iran
Jun 18, 2026
WireMemorandum of understanding electronically signed by Trump and Pezeshkian
Jun 18, 2026
WireAgreement takes effect
Aug 17, 2026
WireDeadline for negotiations on a final deal (60 days from signing)