CNBC reports Trump administration unveiled global secondary-sanctions approach aimed at isolating Iran, including pressure on China

WASHINGTON, Aug. 24, 2026, CNBC reported that the Trump administration has laid out a sanctions-oriented plan intended to isolate Iran’s economy by threatening secondary sanctions aimed at the Islamic Republic’s “enablers.” According to the outlet, the approach is designed to reach third parties that do business with Iran, rather than focusing only on Iranian entities.

CNBC said the administration’s strategy includes a message that China should not be treated as exempt from possible secondary sanctions. The report frames the point as part of the effort to reduce Iran’s economic linkages and constrain outside support that helps Tehran maintain revenue and procurement channels.

Under the concept of secondary sanctions, the United States can impose measures on non-U.S. individuals or companies that engage in certain transactions with a sanctioned country or entities tied to them. The administration’s use of secondary sanctions, as described by CNBC, would be aimed at raising the costs and compliance risks for foreign firms operating in sectors that touch Iran.

CNBC did not, in the material provided here, identify a specific White House directive, a State Department announcement, or a formal designation package tied to the plan on Aug. 24. As a result, the administration’s exact legal instruments, targeted sectors, and the implementation timeline described in the report cannot be confirmed from an official record in the information available for this draft.

The report’s practical effect, if pursued, would likely be felt through compliance decisions by multinational companies, banks, and shipping and trading firms. Firms often restructure routes, vendors, and payment channels when they believe secondary exposure is possible, which can affect pricing and availability of goods and services connected to Iran-related supply chains.

After a strategy like the one described by CNBC is publicized, the next step typically involves one or more of the following: formal changes to sanctions authorities, new designations for specific entities, updated guidance for regulated parties, and enforcement actions by U.S. agencies. In this case, official confirmation from the White House or the Department of State would be needed to verify what is underway, what is proposed, and when it would take effect.

The administration’s sanctions posture toward Iran has been a recurring focus of U.S. foreign policy, particularly as U.S. officials evaluate how to deter activities tied to Iran while also assessing the economic impact on third countries. In the absence of an official anchor in the material reviewed for this story, the only confirmed fact at publication is that CNBC reports the plan and the administration’s stated stance toward potential China involvement.