A bipartisan group of 22 House lawmakers is urging President Donald Trump to fully implement the new Russia sanctions law and revoke a license allowing certain Russian diesel transactions. In a letter sent on 15 October, they copied Secretary of State Marco Rubio and Treasury Secretary Scott Bessent and requested details on planned sanctions, tariffs and waivers.

Their request comes as the law’s first requirements fall due on 18 October, while lawmakers from both parties challengethe administration’s decision to allow certain Russian diesel transactions. Some restrictions take effect automatically, while others require presidential action. The law does not specify a penalty for the president missing the deadline.

What the Russia sanctions law requires

Congress passed the Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 by votes of 86–11 in the Senate and 262–159 in the House. Trump signed it on 18 September. Graham, a Republican senator from South Carolina, died in July.

Restrictions taking effect automatically on 18 October include a ban on US banks and broker-dealers processing transfers to or from the Russian government, a ban on new US investment in Russia, a ban on new US investment in Russia’s energy sector, and a ban on US energy exports to Russia.

Other measures require presidential action by the same date. The law directs Trump to review and sanction Russian officials, oligarchs and shadow-fleet vessels, sanction the Bank of Russia, specified Russian banks and state-owned companies, and impose tariffs of up to 500% on Russian goods. Tariffs of up to 100% can apply to goods from countries among the five largest importers of Russian oil or gas, or among the top five countries facilitating Russian oil sanctions evasion.

Trump may waive sanctions, restrictions and tariffs under the law if he first certifies in writing to Congress that a waiver is in the US national interest and submits a report explaining its basis.

The diesel license at the center of the dispute

House members also urged Trump to revoke General License 135, which the Treasury Department issued on 9 October and that is valid until 7 April 2027. It permits certain transactions involving Russian-origin diesel, including imports into the United States. Trump said Russia would immediately supply more than 300,000 tons of diesel to US and global markets and predicted prices would fall sharply, according to a 9 October Truth Social post.

On 13 October, a bipartisan group of 12 senators also urged Trump to rescind the deal and revoke the license. Seven senators said the deal conflicted with a 2022 law banning Russian energy imports.

The Graham Act says nothing in its provisions affects the Treasury secretary’s existing authority to issue general licenses. That provision does not resolve whether the diesel license complies with the separate 2022 law.

A White House official told Newsweek the administration would comply with the Graham Act. Bessent said the administration would use “all the legal authorities we have” and called the deal “good for the American people,” Fox News reported on 11 October.

How the sanctions could be lifted

Separately, the law sets a process for terminating sanctions, restrictions or duties against Russia. Trump must report to Congress that Russia has signed a peace agreement accepted by Ukraine’s government and ceased military hostilities against Ukraine, as well as activities to overthrow, dismantle or subvert its government. Congress has 30 days to block termination through a joint resolution of disapproval, or 60 days for reports submitted between 10 July and 7 September.

The Trump administration is weighing looser sanctions on shadow fleet tankers that have hauled oil from Russia, Iran, and Venezuela, a US official said on 14 October, Reuters reported. An industry research group expects the change to do little for freight rates.

With Reuters calling high fuel prices a risk for Trump before the 3 November midterms, Washington has already eased sanctions on Russian oil and diesel this year and is now looking at the ships blacklisted for hauling sanctioned cargoes. In March, Treasury Secretary Scott Bessent said a waiver on Russian oil at sea would bring Moscow no significant financial benefit, yet Russia’s seaborne oil income jumped by $890 million in the week to 15 March, Bloomberg data showed.

“Legal oil” on blacklisted ships

The talks center on letting “legal oil” sail on previously sanctioned vessels, the official said. Only crude or fuel free of US sanctions would qualify, not Russian or Iranian oil. Washington wants more crude and refined products moving out of the Gulf, the official added. Companies would need US Treasury approval to use the ships.

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Research group Energy Aspects said US Energy Secretary Chris Wright, in a video to the World Petroleum Congress in Riyadh, tied the easing to record freight rates. Those rates hit records after the Iran and Ukraine wars drove up inflation and left US crude too costly for Asian refiners, Reuters said. Energy Aspects itself expects the easing to do little for freight rates, since most tankers sanctioned over Russian or Venezuelan links have kept trading for the past three months.

The Energy Department said any relief would do nothing to help Russia ship its oil or refined products. Treasury referred questions to the Energy Department. Yet Reuters noted that both departments could face pressure to let these vessels carry Russian diesel, given Trump’s push to get it onto world markets fast.

Britain is pushing the other way. UK finance minister John Healey urged counterparts at International Monetary Fund meetings in Bangkok on 15 October to keep tough sanctions on Russia, “especially a tighter ban on shipping services” that keep Putin’s shadow fleet operating.

Diesel license criticism and an unconfirmed ceasefire

On 9 October, the US Treasury issued a license clearing Russian-origin diesel trade until 7 April 2027. Ukrainian President Volodymyr Zelenskyy told reporters it was a weak decision unworthy of Ukraine’s partners. Democratic Senators Jeanne Shaheen, Chuck Schumer, and Elizabeth Warren called it a “total betrayal of Ukraine.” Republican Senator Thom Tillis said there is “a legitimate case for saying the president’s not following the law.”

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Trump then pressed Kyiv to spare Russian refineries and declared an “energy ceasefire” on 11 October. A White House official told Axios it covers only oil refineries. Neither side confirmed a similar announcement Trump made in mid-September, AAP reported.

Kremlin spokesperson Dmitry Peskov told reporters on 13 October that contacts on the ceasefire were continuing and referred further questions to Trump, Russian newspaper Vedomosti reported. He claimed the diesel deal was “a very mutually beneficial item of Russian-American cooperation” that serves the interests of Russia, the US, and world energy markets, Russian newspaper Kommersant reported.