Verified fact: On September 18, 2026, the President signed into law H.R. 5334, the "Lindsey O. Graham Sanctioning Russia and Iran Act of 2026," the White House announced.

Source claim: The White House statement says the law "authorizes and expands statutory sanctions, tariffs, and prohibitions on Russia and extends existing sanctions on Iran." The administration’s post provides this summary but does not include the bill text or implementation details in the release.

Observed gap: The White House notice does not specify which entities or activities the new measures target, when specific provisions take effect, or how enforcement will be carried out; those details will appear in the statutory text and subsequent agency guidance.

Analysis: Legally expanding sanctions and tariffs gives the administration broader statutory authority to restrict trade, finance and services related to named targets; that authority typically allows Treasury, Commerce and State to issue implementing regulations and designations. Those rules determine practical impact on companies and markets.

Inference: Expect near-term guidance from Treasury’s Office of Foreign Assets Control and Commerce if the law names sectors, designations or secondary sanctions; businesses trading with Russia or Iran are likely to monitor agency notices and adjust compliance controls.

What to watch: publication of the enacted text, Treasury and Commerce implementation guidance, and any executive-branch statements on enforcement timing and scope. Those items will show how the law changes real-world trade, finance and sanctions risk.

Sources & methodology

This report was written from the primary materials below. Links open at the original publisher.

The White House

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