U.S.-Iran Interim Agreement: Implications for the Maritime Industry and Oil Trade

The United States and Iran electronically signed an interim Memorandum of Understanding (MoU) on June 17, 2026, following President Donald Trump's meeting with French President Emmanuel Macron at the Palace of Versailles. The agreement calls for the "immediate and permanent" termination of all military operations on all fronts and provides a framework for potential sanctions relief and the reopening of critical maritime routes, including the Strait of Hormuz.

While questions remain regarding the near-term safe passage through the Strait of Hormuz – including the potential presence of mines – the MoU has nonetheless garnered significant interest among industry participants eager to see a resolution of military conflict in the Middle East that has strangled safe passage through one of the world's most important maritime trade route. For maritime industry stakeholders – particularly those involved in oil transportation, tanker operations and Middle East trade – this development represents a potentially significant shift in the regulatory and commercial landscape. However, as with any sanctions-related development, parties should proceed with careful attention to remaining legal risks and compliance obligations. The MoU calls for the parties to reach a final agreement within the next 60 days.

Key Terms of the Interim Agreement

Strait of Hormuz Reopening: Under the MoU, Iran has agreed to immediately reopen the Strait of Hormuz, which handles approximately 20 percent of the world's petroleum supply. The strait has been largely closed since February 2026, when hostilities between the U.S., Israel and Iran escalated into armed conflict. For tanker operators, this reopening will restore access to a critical transit chokepoint connecting Persian Gulf oil producers to global markets.

Naval Blockade Termination: The U.S. has agreed to immediately lift its naval blockade of Iran. This will allow vessels that have been restricted from calling on Iranian ports to potentially resume operations, subject to applicable licensing and sanctions compliance.

Oil Export Waiver: The U.S. has agreed to grant Iran a waiver to export oil during the next 60 days. This temporary authorization is significant for the maritime industry, as it may create opportunities for tanker operators and oil traders to engage in lawful lifting of Iranian crude. However, parties should ensure they are operating within the specific terms of any issued waiver or license.

Path to Full Sanctions Relief: The MoU indicates that the U.S. would "terminate all types of sanctions" on Iran, including United Nations Security Council resolutions, as part of a final settlement that includes a comprehensive nuclear agreement. The release of frozen Iranian funds and broader sanctions relief would depend on progress toward that final settlement.

Nuclear Provisions: The MoU states, Iran "shall not procure or develop nuclear weapons" and provides for a "mutually agreed" mechanism to address Iran's enriched uranium stockpile on the nuclear front, reported to exceed 9,000 kilograms, including 440 kilograms at near-weapons-grade levels. The agreement sets minimum requirements for diluting this stockpile on-site under International Atomic Energy Agency supervision.

Ballistic Missiles: Notably, the 14-point MoU makes no reference to Iran's ballistic missile arsenal or its support for regional proxy groups. President Trump stated that Iran would be permitted to retain some ballistic missile capabilities, remarking, "They have to have some, because other people have some."

Investment Fund: The MoU contemplates a $300 billion fund for Iran's "reconstruction and economic development," to be established with regional partners. This fund would be contingent on reaching a final deal and is intended for companies interested in investing in Iran – though President Trump stated the U.S. would not directly invest in it.

Recommendations for Maritime Industry Participants

Although the interim agreement offers potential opportunities for parties involved in maritime trade in the Persian Gulf and those companies interested in Iranian oil trade, clients are urged to approach these developments with caution and robust compliance protocols. The following recommendations are particularly relevant for shipowners, tanker operators, charterers, oil traders and related maritime service providers. The legal and compliance environment will likely evolve along with the continuing political dialogue regarding the negotiation and implementation of any final agreement between the U.S. and Iran.

Await Official OFAC Guidance

Before engaging in any Iran-related trade or oil lifting activities, parties should await formal guidance from the U.S. Department of the Treasury's Office of Foreign Assets Control (OFAC) and other relevant agencies. The interim MoU is not itself a general license. Specific authorizations, waivers or licenses will likely be required, and engaging in activity without proper authorization could expose parties to significant civil and criminal penalties.

Monitor the 60-Day Timeline

The current ceasefire extension and associated oil export waiver operate under a 60-day window, which may be extended. Maritime operators should carefully track this timeline and any extensions or modifications. Business decisions should account for the possibility that the window may close, be modified or not lead to a final settlement.

Conduct Thorough Due Diligence

Even with potential easing of sanctions, robust due diligence remains essential. Parties should screen counterparties, vessels, beneficial owners and cargo origins against OFAC's Specially Designated Nationals List and other relevant sanctions lists. Secondary sanctions risks, particularly involving financial institutions and non-U.S. persons, may persist depending on the scope of any relief granted.

Review Contractual Provisions

Parties should review existing charter parties, contracts of affreightment and related commercial agreements for sanctions-related clauses. Many contracts contain provisions addressing OFAC compliance, prohibited activities and termination rights. Understanding these provisions is critical before engaging in any newly authorized activity.

Consider Insurance and P&I Club Requirements

Hull, cargo and protection and indemnity (P&I) insurance coverage often contains exclusions for sanctioned trade. Even if U.S. sanctions are eased, clubs and underwriters may maintain restrictions or require specific notifications. Parties should consult with their insurers and P&I clubs before engaging in Iran-related voyages to ensure coverage remains in place.

Maintain Comprehensive Documentation

Given the interim and conditional nature of current relief, parties should maintain thorough documentation of all Iran-related transactions. This includes licenses obtained, due diligence records, voyage records, bills of lading and communications with counterparties. Such documentation will be essential for demonstrating compliance should questions arise.

Watch for Multijurisdictional Issues

Entities operating globally should be aware that the European Union, United Kingdom and other jurisdictions maintain their own Iran sanctions regimes. Relief from U.S. sanctions does not automatically extend to other jurisdictions. Companies should assess their exposure across all applicable legal frameworks before pursuing Iran-related business.

Prepare for Volatility

As evidenced by the immediate drop in Brent crude oil prices following the announcement markets are reacting swiftly to developments. Parties should anticipate continued price volatility, geopolitical uncertainty and potential changes in policy as negotiations proceed toward a final settlement.

Political and Regulatory Uncertainty

It is important to note that the interim agreement has drawn criticism from members of President Trump's own party, who argue that it offers too many concessions to Tehran. The political debate surrounding this deal – particularly ahead of November's midterm elections – may affect implementation and the path toward a final settlement. Additionally, the U.S. government's sanctions and other restrictions imposed on Iran have been implemented through a mixture of executive orders and statutory authorities, some of which restrict the ability of the president to issue certain types of waivers or lift designations unilaterally. As such, an OFAC general license may not address all of the potential legal risks.

Senior U.S. officials have indicated that should the parties fail to reach a final agreement, the administration would not hesitate to use "the tools at its disposal," suggesting that a reversal of current easing remains possible.

Furthermore, the MoU provides that the U.S. would withdraw its military forces "from the proximity" of Iran within 30 days of a final deal. This condition, combined with ongoing negotiations around "regional stability and the funding of proxies," suggests that significant issues remain unresolved and could affect the durability of any sanctions relief.

Looking Ahead

The next critical milestone is a scheduled meeting on June 19 in Geneva, Switzerland, hosted by Pakistan and Qatar. The negotiations there will be important in determining "how we get to the next phase," according to U.S. officials.

Holland & Knight will continue to monitor these developments closely and will provide updates as the regulatory landscape evolves.

For questions about how these developments may affect your operations, or for assistance with OFAC compliance, due diligence or contractual matters, please contact the authors.

Information contained in this alert is for the general education and knowledge of our readers. It is not designed to be, and should not be used as, the sole source of information when analyzing and resolving a legal problem, and it should not be substituted for legal advice, which relies on a specific factual analysis. Moreover, the laws of each jurisdiction are different and are constantly changing. This information is not intended to create, and receipt of it does not constitute, an attorney-client relationship. If you have specific questions regarding a particular fact situation, we urge you to consult the authors of this publication, your Holland & Knight representative or other competent legal counsel.