A sovereignty fight over who controls how Tehran's frozen funds are spent is emerging as the first serious fault line in the June 17 U.S.-Iran memorandum of understanding, with U.S. and Iranian negotiators meeting Sunday at Bürgenstock, near Lucerne, Switzerland, to begin implementation talks. Alex Vatanka, senior fellow at the Middle East Institute, warned that the disagreement will likely become one of the first major implementation disputes in the weeks ahead.
Two Narratives, One MOU Clause
Paragraph 11 of the MOU framework states that the United States "undertakes to make fully available" restricted and frozen Iranian funds, but ties any release to a step-by-step compliance process rather than immediate, unrestricted access. That gap between the letter and the mechanism is where the competing interpretations diverge.
Iranian President Masoud Pezeshkian opened Sunday by stating publicly that $6 billion of Iranian funds held in Qatar would be returned. President Donald Trump, speaking at the G7 summit in Évian-les-Bains, France, acknowledged the funds belong to Iran — "we froze it," he said — while writing on Truth Social that Iran would receive "not ten cents" during the 60-day negotiation period if it fails to uphold its commitments.
Scale and Control: The Dual Dispute
The first uncertainty is the total pool of frozen assets. Iranian officials cite figures above $100 billion; Wall Street Journal reporting places the total at between $100 billion and $120 billion, held across China, India, Iraq, and South Korea. The immediate Bürgenstock negotiations, Vatanka told Fox News Digital, appear focused on securing access to roughly $24 billion to $25 billion as an initial tranche.
The second dispute is structural. Tehran is framing the roughly $25 billion as sovereign capital to be invested in domestic infrastructure — roads, airports, and transport corridors. Washington is describing something narrower: controlled disbursement through approved mechanisms, with the U.S. and Qatar exploring a channel for an initial $6 billion limited to humanitarian purchases including food and medicine.
Proxy-Financing Risk Complicates Oversight
Western intelligence officials are pressing a third concern: diversion. Reuters reported that Iran has already signaled to Hezbollah that increased financial support could resume if Tehran's cash flow improves. Vatanka noted that Iran has pledged to direct a portion of reconstruction funds toward supporting its proxy network in Lebanon. The United States has made clear that asset access would be revoked if Tehran uses any unfrozen funds to finance terrorist organizations.
Qatar's Foreign Ministry confirmed Sunday that technical teams are negotiating the final deal while oversight groups monitor implementation and track compliance milestones — a structure designed to give Washington conditional control over the release cadence.
What the Talks Leave Unresolved
Vatanka framed the frozen-asset question as a political test of trust as much as an economic one. "Releasing frozen assets is not simply an economic question," he said, adding that it will likely surface as a central dispute in the weeks ahead. With the 60-day negotiation clock running and the disbursement mechanism still contested, the Bürgenstock round leaves the most consequential implementation detail unresolved.