"A second 180-day wind-down period is slated to end November 4, when another round of previously relaxed sanctions will be reimposed on oil sales and Iran's energy sector".
Washington has said the only way Iran could avert the sanctions would be to agree to new negotiations to abandon its missile and nuclear programmes.
The accord saw Iran limit its controversial nuclear activities in exchange for sanctions relief.
On July 30, Trump offered to meet Iranian President Hassan Rouhani without preconditions.
His statements were interpreted as a hint at Iran's readiness to block the Strait of Hormuz, a major oil shipping route, in retaliation for any hostile United States action against Iran.
Iran, alongside Russian Federation and Turkey, is the guarantor state of the Syrian truce.
The Iranian government will also no longer be allowed to buy USA and European planes and US banknotes.
That will set up a showdown with the USA, with one official warning the USA will make sure the pressure is air-tight: "Make no mistake about it, we are very intent on using these authorities".
The Toulouse, France-based firm did not immediately respond to a request for comment.
The United States plans to detail its fresh package of sanctions against Iran on August 6, with new currency restrictions to head the list. "I am pleased that many global firms have already announced their intent to leave the Iranian market, and several countries have indicated that they will reduce or end imports of Iranian crude oil".
Asked if Tehran would be able to evade the measures, Pompeo told journalists "the United States is going to enforce the sanctions", speaking en route to Washington after attending a security forum in Singapore.
"We are always in favour of diplomacy and talks".
It is not yet clear how all this will affect ordinary Iranians, but a Western diplomat in Tehran who monitors the economy said prices of basic foods were already creeping up.
Over the weekend Trump once again floated the idea of meeting, tweeting "I will meet, or not meet, it doesn't matter it is up to them!"
French carmaker Renault, which does not sell cars in the USA, has said it will remain in Iran despite the sanctions.
But the U.S. sanctions strategy has several weak spots, especially a reluctance by Europe and China to curtail business with Iran.
Iran's economy is in a tailspin, and the nation has seen widespread street protests in recent weeks. The rial is now hovering around 44,000 per U.S. dollar against 36,099 in January, according to XE Currency Converter.
Protests broke out on Sunday for a sixth night in cities including Kazeroon in the south, according to social media. Some protesters have shouted "Mullahs get lost!" and "Death to the dictator!" the semi-official Fars news agency has reported.
The U.S. resumed sanctions targeting Iran's automotive sector as well as gold and other key metals on Monday.
Iran has made threats to close the Strait of Hormuz, where about 30% of oil exports pass through, but Eisenstadt and other experts dismissed this as bluster. Rouhani called on Iranians to unite in the face of hardship.
The Strait of Hormuz at the mouth of the Persian Gulf provides the only maritime passage in the region to the open seas and is one of the world's most strategically important choke points.
Iran's navy and its paramilitary Revolutionary Guard routinely conduct seaborne exercises in the Gulf and the strait. He did not elaborate.
Meghan arrived separately, in a short-sleeved Club Monaco dress with blue top and multicolored skirt with a Philip Treacy hat. Thomas also gave a speech at the wedding, straight after Prince Harry and is one of Princess Charlotte's godfathers.
Upon loading up the game for the first time since the update, you will be greeted by the classic Mission: Impossible theme. And of course the first member of the team that people always talk about when it comes to killing one, it was Luther.
He would make just one par on the back nine to go along with three birdies, three bogeys and two double-bogeys for a four-over 40. He had momentum on his side, but he didn't put up another red number until he stuck his tee shot on par-3 12th to 2 feet.
A contributor's committee nominee, Beathard worked for the Chiefs, Falcons, Dolphins, Redskins and Chargers. As his golden bust was unveiled, he said "I gotta breathe", in an attempt not get emotional.
A main event for the card hasn't been finalized, but it would have to be a huge bout to overshadow Diaz's long-awaited return. The card will also include a rematch between former middleweight champions Chris Weidman and Luke Rockhold.
Such a deal would have allowed British lenders to continue selling their services in Europe without making major changes. The interim dividend payment would return 150 million pounds to government coffers, according to a Reuters calculation.
According to police, the incident took place at Bologna Casalecchio and the junction with the A14 route from Bologna to Taranto. Authorities said a major highway interchange had been closed north of the city due to the accident.
In second place with a $25 million debut from 3,602 screens was the Mouse House's live-action feature Disney's Christopher Robin . The new Winnie the Pooh film Christopher Robin opened in theaters worldwide this weekend, with one notable exception.
The prospect of Thibaut Courtois signing for Real Madrid this summer is becoming less and less, Marca reports. But Ronaldo believes that the three times Champions League winning Navas would be ideal for Juventus .
Andy Murray `may not play` Washington Open quarter-final
Tsitsipas, who reached his first ATP final in May at Barcelona but lost to Rafael Nadal, says he won't change to face Zverev. Certainly, if he can't play because of his injury, that's one thing. "It's a handsome thing to see", he said.
Red Sox Take Charge of AL East, Expose Yankees in Sweep
It happened in the bottom of the first inning after NY starter Luis Severino knocked down AL MVP candidate Mookie Betts. Red Sox starter David Price had a solid outing, giving up only two earned runs in six innings on the mound.
Will you attend Trump's rally in DE next week?
House seat in a Tuesday special election, point blank why he invited Trump to campaign for him at his event in Delaware County. The president also blasted Democrats claiming they're pro-crime specifically calling out California Democrat Maxine Waters.
Former Marine's wife being deported to Mexico
Rather than be deported, Juarez - a US military wife who illegally entered the country 20 years ago - headed back to Mexico. The family's attorney, Chelsea Nowel, said Alejandra Juarez has no criminal record besides her illegal entry.
Oil supported as new hedges placed, but rising global…
US President Donald Trump's decision to pull out of an global nuclear deal and reimpose sanctions on Iran has angered Tehran. The kingdom's oil production grew by 230,000 barrels a day in July, to 10.65 million barrels per day.