Companies Forced to Reassess Iran Operations as Sanctions Loom

Oil firms, plane makers, banks have months to wind down their ties before risking penalties following Trump’s decision to pull out of nuclear accord

Ian Talley in Washington,

Benoit Faucon in Tehran and

Sarah Kent in London

Updated May 8, 2018 7:49 p.m. ET

President Donald Trump on Tuesday said the U.S. would levy the “highest level” of sanctions against Iran—including the punishment of Western companies and banks if they continue to do business with the country—as Washington pulled out of the Iranian nuclear accord.

Senior administration officials said economy-crippling sanctions that persuaded Iran to sign the 2015 nuclear accord were immediately back in place with the president’s decision to withdraw from the deal.

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