"With attention to the promises that have not been carried out from the European side, there is no reason left for Iran to carry out its commitments unilaterally," Araqchi said, adding: "Iran has kept the window of diplomacy open by reducing its commitments incrementally."
Iran will announce a new reduction of its commitments under the nuclear deal on July 7, the Secretary of Iran's Supreme National Security Council, Ali Shamkhani, said on Tuesday.