U.S. Treasury authorizes 60-day license for Iranian oil sales as tankers resume transponder activity

The U.S. Treasury Department has authorized Iranian oil sales under a temporary 60-day license, a CNBC report said on June 22, citing actions associated with the Department’s sanctions compliance framework. The authorization is intended to permit specific, time-limited transactions that would otherwise be restricted under U.S. sanctions on Iran’s oil sector.

According to the report, Iranian supertankers have switched on their transponders after reportedly going “dark” during the war. The reported change in vessel tracking status is associated with tankers departing the region while loaded with oil, highlighting how maritime monitoring and sanctions enforcement can depend on what crews transmit through shipping identification systems.

The report places the development in the context of ongoing U.S. efforts to manage sanctions risk and maritime evasion. When transponders are turned off or inconsistently transmitted, it becomes more difficult for authorities, insurers, ports, and counterparties to verify a vessel’s movements and to conduct due diligence tied to sanctions screening.

While the report describes the license as a 60-day authorization, it does not identify in the package provided the specific scope of the transactions, which counterparties may be eligible, or the compliance conditions required for parties seeking to rely on the license. Those details typically matter for banks, trading houses, insurers, and ship operators deciding whether to proceed with payment, logistics, or cargo handling under a U.S. authorization.

The same report also links the resumption of transponder activity to the timing of tanker departures. If vessels return to normal indicating as they leave the region with cargo, it can affect how quickly commercial and regulatory systems can confirm voyage plans and cargo custody for parties involved in any downstream sales or distribution.

The Treasury licensing action comes amid broad U.S. sanctions enforcement against Iran’s oil exports, which has historically relied on monitoring shipping routes, counterparties, and payment channels. Temporary authorizations can be used to balance enforcement priorities with defined, time-bound pathways for permitted conduct, though the practical effect depends on how widely eligible cargoes are processed and how strictly counterparties apply the license’s conditions.

After the publication of the report, the next steps for market participants are generally tied to verifying whether any specific transactions meet the license’s requirements and whether their shipping, financing, and insurance workflows can document compliance. Without clear public details in the provided packet, parties are likely to look to official Treasury guidance and license text for the precise eligibility criteria and deadlines tied to the 60-day window.