The United States and Iran are at odds over a core element of their interim nuclear agreement, with each side offering conflicting accounts of whether Tehran has agreed to allow international inspectors access to its nuclear sites. The dispute emerged publicly on Tuesday as diplomats and officials offered competing characterizations of what was actually agreed upon in recent talks.

Rafael Grossi, the director general of the International Atomic Energy Agency, said his inspectors are ready to visit Iran's nuclear facilities, signaling that the IAEA considers some form of inspection access to be on the table. However, the precise terms — including which sites would be subject to inspection, under what conditions, and with what level of transparency — remain unclear and appear to be the crux of the disagreement between Washington and Tehran.

Iran has maintained that it has not formally consented to the inspection framework as described by American officials, while the U.S. side has characterized Tehran's commitments differently. The public contradiction has complicated what both governments had presented as a cautious step toward de-escalation following weeks of heightened regional tensions involving Israel and Lebanon.

The interim deal was widely understood to be a limited, confidence-building measure rather than a comprehensive nuclear agreement. Analysts note that disputes over inspection terms are not unusual in early-stage nuclear diplomacy, but the open contradictions between the parties are an unusual sign of friction this early in the process. The ceasefire context involving Lebanon has added additional complexity to the diplomatic environment surrounding the talks.

The outcome of the inspection dispute is expected to have significant bearing on whether broader nuclear negotiations can proceed. If the two sides cannot reconcile their accounts of what was agreed, the interim framework could unravel before any formal verification regime is established.