The sanctions also concern Tehran's automobile and aviation sector, with tougher sanctions-especially an embargo on Iran's oil and banking sectors-to follow by November 4 should the Islamic Republic fail to accommodate President Trump's terms on "WORLD PEACE".
US Ambassador to Britain Woody Johnson said Iran needed to make tangible and sustained changes to behave like a normal country.
"We are asking global Britain to use its considerable diplomatic power and influence and join us as we lead a concerted global effort towards a genuinely comprehensive agreement".
Johnson wrote in his article that British businesses should cut all trade ties with Iran and help the USA form a "united front".
Trump's decision in May to withdraw from the 2015 nuclear deal, signed by his predecessor Barack Obama, in which Tehran agreed to nuclear curbs in return for sanctions relief, paved the way for the restoration of unilateral American economic penalties on Iran.
"If a company fears legal action taken against it and enforcement action taken against it by an entity in response to American sanctions then that company can be protected as far as European Union legislation is concerned", Burt told BBC radio. We want to keep our journalism open and accessible and be able to keep providing you with news and analyses from the frontlines of Israel, the Middle East and the Jewish World.
Abadi on Tuesday said Iraq would reluctantly comply with sanctions against Tehran which took effect the same day. Joe Kaeser, the chief executive of German industrial conglomerate Siemens, summed up the harsh realities of United States economic influence over European business when he told CNN in May that the company would stop all new deals in Iran, following Trump's withdrawal from the nuclear deal.
The reimposition of sanctions comes amid protests across Iran, with demonstrators voicing dissatisfaction with a weak economy and financial corruption. She is struggling to quell rebellions within the ranks of her Conservative party over Brexit negotiations and she can't afford to alienate Brussels further by siding with Washington on the Iran nuclear deal, say analysts.