US President Donald Trump signed the "Lindsey O. Graham Sanctioning Russia and Iran Act of 2026" into law on Friday, September 18, 2026, the White House said in a statement.

According to the White House, the law designated H.R. 5334 "authorizes and expands statutory sanctions, tariffs, and prohibitions on Russia and extends existing sanctions on Iran."

The Republican-led House of Representatives passed the package on Wednesday, September 16, 2026, by a vote of 262-159.

The legislation is designed to pressure Russia over its war in Ukraine. It targets Russia's energy and defense sectors, as well as President Vladimir Putin and other senior officials. It also targets Moscow's so-called shadow fleet of tankers used to evade Western sanctions, and would target companies and foreign actors supporting Russia.

The law allows Trump the authority to impose tariffs of up to 100 percent on major buyers of Russian oil and gas. This could potentially cover China and India, an effort aimed at cutting off revenue financing Moscow's war.

The measure also seeks to impose steep levies on Moscow and its top energy buyers, including India and China, and to impose sanctions on Russia's leadership and energy sector as well as on collaborators in Moscow's defense industry.