Iranian Leila Daneshvar (C-L), Managing Director at KTMA (Kian Tajhiz Mehr Afarin), works with engineers at the company's factory in Tehran's Shahriar neighbourhood, on May 17, 2018. (AFP photo)

TEHRAN, June 12 (Xinhua) -- Iran has taken steps to facilitate foreign investment after the U.S. withdrawal from a landmark 2015 nuclear deal, Iranian Parliament Speaker Ali Larijani said on Tuesday, according to the state TV.

The U.S. move has somehow affected investment in Iran, Larijani said, adding that, however, Iran has adopted measures to make the foreign investment easier.

Larijani did not give details on Tehran's decision, but said that "in accordance with the U.S. behavior within the next months, we should work out a more precise framework."

By pulling out of the deal, officially known as the Joint Comprehensive Plan of Action (JCPOA), the United States acted in violation of international regulations and commitments, Larijani pointed out.

On May 8, U.S. President Donald Trump said that his country would withdraw from the Iranian nuclear deal and will reimpose the nuclear-related sanctions which were relieved according to the 2015 deal.

On Friday, Iran ruled out the possibility of renegotiating with the United States on the nuclear deal unless Washington stops threatening the Islamic republic.