Washington DC, Sept. 18 -- US President Donald Trump on Friday (local time) signed the Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 into law, expanding statutory sanctions, tariffs and prohibitions targeting Russia and extending existing sanctions on Iran, the White House said.

The legislation, signed on Friday, gives the US President authority to impose tariffs of up to 100 per cent on goods from countries that meet specified criteria linked to purchases of Russian crude oil or natural gas and sanctions evasion.

The measure also targets Russian officials, financial institutions, defence-related networks and the country's so-called "shadow fleet" of vessels used to transport energy while circumventing Western restrictions. ...