The US has warned Trump to end oil imports from Iran by 4 November or risk penalties . Buyers of Iranian crude had expected the U.S. would allow them time to reduce their oil imports over a much longer period, by issuing sanctions waivers for nations that made significant efforts to cut their purchases. The warning follows Washington 's reimposition of sanctions on Tehran in a bid to weaken it politically and economically . Buyers of Iranian oil had expected to be allowed to wean themselves off Iranian oil over several years , as Trump officials had said . But senior State Department officials say it will issue no such waivers .
The US has warned Trump to end oil imports from Iran by 4 November or risk penalties . The warning follows Washington 's reimposition of sanctions on Tehran in a bid to weaken it politically and economically . Buyers of Iranian oil had expected to be allowed to wean themselves off Iranian oil over several years , as Trump officials had said . But senior State Department officials say it will issue no such waivers .