The comments were a reference to the new sanctions the Trump administration imposed early this month on individuals and companies supporting Iran's ballistic missile program and the Revolutionary Guards military force.
The measures came after Iran test-fired a medium range missile, which the White House contends violated a UN Security Council resolution proscribing missiles that could carry a nuclear device.
Washington issued a tough warning that the United States and its allies had been "too tolerant of Iran's bad behavior" under the 2015 six-nation agreement to monitor and contain the country's nuclear weapons development.
"The days of turning a blind eye to Iran's hostile and belligerent actions toward the United States and the world community are over."
Also Read
The IMF's annual report on Iran's economy, known as the Article IV review, said "renewed uncertainty regarding sanctions is dampening sentiment."
The IMF staff said in their assessment the country benefited from higher oil production and is expected to grow 6.6 percent in 2016/2017, before easing to 3.3 percent in the next year.
Reimposing sanctions "would lower direct investment and capital inflows, and disconnect Iran from the global financial system.
Disclaimer: No Business Standard Journalist was involved in creation of this content