In a statement carried by the state-run IRNA news agency, the Foreign Ministry said Iran "will not accept any change in the deal, neither now nor in future", adding that it will "not take any action beyond its commitments".
Trump has always been critical about the pact inked between the six world powers, namely China, Russia, Britain, France, the United States and Germany, and Iran in 2015, in which the West promises to relieve sanctions on Tehran in exchange for a halt in Iran's efforts to develop a nuclear weapon. And if at any time I judge that such an agreement is not within reach, I will withdraw from the deal immediately.
While Trump approved a sanctions waiver, the Treasury Department chose to impose new, targeted sanctions against 14 Iranian entities and individuals.
Iran has been abundantly clear that it will not renegotiate the deal. These and other sanctions also continue to divert investors from sinking money into Iran's vulnerable economy.
"Either fix the deal's disastrous flaws, or the United States will withdraw", he added.
"If the United States reneges on its agreement, it will undermine global trust in America".
Iran has complained that United States sanctions not connected to nuclear activity have effectively cancelled out any financial benefits it expected from the 2015 deal.
Iran promised a strong reaction to the sanctions, which it said violate global law and prior USA commitments.
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Trump had come under heavy pressure from European allies to issue the sanctions waiver. In a state released on Friday, President Trump called on European partners to join with the U.S.in fixing "significant flaws" in the Iran Nuclear Agreement, also countering Iranian aggression, and supporting the Iranian people.
As part of the deal, the USA released Iranian assets frozen because of Iran's nuclear deal.
"Fourth, the legislation must explicitly state in United States law - for the first time - that long-range missile and nuclear weapons programs are inseparable, and that Iran's development and testing of missiles should be subject to severe sanctions, the statement said". He wants to make the restrictions on Iran's nuclear program permanent so Iran never gets any closer to building a nuclear bomb.
The Treasury Department also listed several Chinese individuals and companies for breaking similar rules to provide materials to Iran that could be used in navigation and weapons systems.
The head of Iran's judiciary, Sadegh Amoli Larijani, was put on the USA blacklist.
"If other nations fail to act during this time, I will terminate our deal with Iran", warned Trump.
Senior administration officials said Larijani has overseen the sentencing and execution of juveniles in Tehran. The new legislation also limits Trump's own ability to lift any sanctions against Russian Federation.
In a freakish kicker in the waiver announcement, the United States indicated it hopes to rewrite much of the nuclear agreement, known as the Joint Comprehensive Plan of Action, and to get its European allies, who wholly back the deal as it is, to do the bargaining for them, he said.