In the absence of such an agreement, the USA will not again waive sanctions in order to stay in the Iran nuclear deal.
What is the nuclear deal?
Letting the waivers lapse would have violated the 2015 agreement that Iran reached with world powers in exchange for curbing its nuclear program, said the report.
Responding to Trump's decision at the time, Iranian President Hassan Rouhani Tehran would not cave in to U.S. pressure.
On Friday, Trump again waived sanctions against Iran that were lifted as part of the landmark nuclear deal, also known as the Joint Comprehensive Plan of Action (JCPOA).
"We are gradually coming to the conclusion that an internal decision by the United States to leave the JCPOA has already been made or is close to being made", Deputy Foreign Minister Sergei Ryabkov told the Interfax news agency.
"This is a last chance", Trump said, pushing for a separate agreement and saying the United States would not waive sanctions again to keep Iran in the pact without such an agreement. Trump is also urging Congress to reform U.S. law so the president is no longer required to declare every 90 days whether he thinks Iran is in compliance, or to renew sanctions waivers every 120 or 180 days.
Iran's Foreign Ministry, sending a strong message to the United States, has named those, whom they consider to be behind the attempt to undermine the deal, which took years and great diplomatic efforts to reach. Washington also imposed sanctions on the head of Iran's judiciary and others.
Britain and Germany said Friday they had taken note of Trump's latest decision and would confer with France before responding.
The top Iranian diplomat said the world has over the past centuries been characterized by a paradigm based on power and zero-sum games, "which has had no result for the people of the world but loss, violence, conflict, and killings".
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He was prepared to back a modification to the existing deal if it were made permanent, one official said.
Trump now will work with European partners on a follow-on agreement that enshrines certain triggers that the Iranian regime can not exceed related to ballistic missiles, said senior administration officials who briefed reporters on the decision.
The other signatories to the deal - Britain, China, France, Germany and Russian Federation - and the European Union, which oversaw the talks, were watching carefully.
Trump will next have to deal with these decisions in mid-May.
Senior US administration officials told reporters Trump would work with Europeans on a follow-on deal to enshrine triggers that the Iranian government could not exceed related to ballistic missiles.
The solidity of Iran and global support for the agreement have blocked attempts by Trump and Israel to terminate this agreement or make changes to it, said the statement.
"We are gradually coming to the conclusion that an internal decision by the USA to leave the (Joint Comprehensive Plan of Action) has already been made or is close to being made", Ryabkov said in an interview with Interfax news agency.
The US Treasury said Larijani, the brother of Iran's parliamentary speaker and former nuclear negotiator Ali Larijani, is to blame for the torture and degrading treatment of prisoners.
Two EU diplomats said EU foreign ministers will discuss what to do now at their next regular meeting, scheduled for January 22 in Brussels.