JCPOA is a "non-binding political agreement".
Trump will use an executive order to declare Iran's Islamic Revolutionary Guard Corps (IRGC) a terrorist organisation.
As Common Dreams reported Sunday, Iranian President Hassan Rouhani warned that new sanctions or any other violation of the nuclear accord would effectively kill the deal and earn the US condemnation from "the entire world".
President Trump's upcoming decision on how he will deal with the unsafe and flawed nuclear agreement is a moment for moral clarity and may be a defining moment of his presidency.
This is a dumber option because it is exactly what the Obama administration wanted and what Hillary Clinton would have pressed for if she had won the election: protecting the JCPOA by dropping the prospect of new sanctions, doing away with the certification requirement and answering criticism of the deal by engaging in endless talks with Iran and European diplomats to fix the agreement.
European officials have categorically ruled out renegotiating the deal, but have said they share Trump's concerns over Iran's destabilizing influence in the Middle East.
Analysts disagree on the impact of reimposed United States sanctions, especially if European sanctions remain frozen.
Engel said the United States must "live up to our word".
Why does the deal need to be certified?
France, Germany and Britain, despite their opposition to Washington backing away from the deal, have told USA lawmakers that they could join discussions on constraining Iran's long-term nuclear ambitions, according to one congressional Democratic aide.
Meanwhile, President Trump was elected on claims the deal isn't tough enough. "Decertifying Iranian compliance without cause risks the unraveling of the JCPOA and could leave Iran able to advance its nuclear capabilities without restriction or strict verification".
If Trump follows through and decertifies the deal on Friday, it will begin a 60-day countdown clock for Congress to decide whether to "snap back" those nuclear sanctions. Tom Cotton, R-Ark., would demand that the intelligence community produce judgments on a wide range of Iranian behavior that is not covered by the nuclear deal, including ballistic missile testing and development and threats to Israel and the Mideast more broadly.
But Iranian officials have already ruled out any renegotiation of the deal.
Federica Mogherini, while talking to PBS TV channel, on Wednesday, highlighted Iran's full compliance with the 2015 deal.
Even so, some experts told CNBC that decertification will undermine the worldwide deal and encourage hardliners in Tehran to push for nuclear weapons.
But France, the United Kingdom, Germany, and the European Union - who negotiated the deal along with the U.S., China, Russia, and Iran - have all said the deal is working well and urged the U.S.to stay in it.
However, they do not believe he will go beyond that and call for Congress to reinstate nuclear sanctions that were lifted as a result of the deal. Those provisions relate to enriching uranium to levels near those needed to produce the fuel for a nuclear weapon, as well as other activities that limit Iran's atomic capabilities at various sites.
Why does U.S. President Donald Trump want to scrap it?
But it could be hard to get both Iran and its ally, Russia, back to the table for a new round of talks.
What exactly that will look like is still being determined, but it could include greater congressional oversight.