The blocking statute is due to enter force on August 6, when the first set of USA sanctions are due.
US officials had long known of Iran's pre-2004 nuclear weapons research, which the Obama administration cited explicitly in prodding Iran to accept the historic deal limiting its ability to make enriched uranium and placing its nuclear facilities under intensive global oversight.
"The State Department has the ability to issue waivers around significant reductions in the oil markets".
"What they've asked us to do is review how we get there and the timeline for that", he said.
During a dramatic six-and-a-half-hour during nightly operation on January 31, 2018 the 100 men-strong Mossad team broke into the warehouse via two doors after disabling the alarm system of the building in a commercial district in Tehran.
Trump has assailed that agreement, which lifted the sanctions in return for Iran's verifiable pledges to use nuclear power peacefully, as "the worst deal", despite support for it by the other participants, including Britain, France and Germany, major US allies.
Iran and the USA have not had diplomatic relations since 1980, when American embassy officials were held hostage in Tehran.
While Foreign Secretary Vijay Gokhale led the Indian delegation, the Iranian side was headed by Deputy Foreign Minister Seyyed Abbas Araghchi.
Mr Abbas Araghchi also called on the Minister of State for External Affairs MJ Akbar.More news: Trump Defends Himself Against Sharp Criticism Over Putin News Conference
More news: US, North Korea hold 'productive' talks on war remains
More news: U.S. lawmakers slam Trump's embrace of Putin, look to punish Russian Federation
"We are going to very strongly enforce the Iran nuclear sanctions", Treasury Secretary Steven Mnuchin said Friday.
"Instead of building this factory in the next seven or eight years, we built it during the negotiations but did not start it", Salehi, said, according to state media.
Iran has been defiant in the face of the USA move, saying it has left the Trump administration internationally isolated.
Uncertainly surrounding the re-imposition of US sanctions has already rocked Iran, contributing to the Iranian rial falling sharply against the USA dollar and sparking waves of protests across the country. "One thing is very clear; that whatever is mandated in our national interests will be done", he asserted.
Some say Tehran could be seeking better relations with the USA for the purposes of regime protection.
He said experience shows that Washington's ambition to halt Iran's oil exports is impossible to achieve in today's world.
In May, Trump withdrew from the deal.
The Organization of the Petroleum Exporting Countries agreed with Russian Federation and other oil-producing allies on June 23 to raise output from July, with Saudi Arabia pledging a "measurable" supply boost, but giving no specific numbers.
The EU fears that billions of dollars' worth of trade could be jeopardised as a result of Washington's new sanctions.