Iran arrived at an arrangement Sunday with the United Nations atomic company that will grant intercontinental inspectors accessibility to some of the country’s nuclear-related sites, a action most likely to avert a crisis in the negotiations on restoring the 2015 nuclear deal.

The arrangement arrives after International Atomic Vitality Agency Director-General Rafael Grossi manufactured a final-moment vacation to Tehran this weekend in a bid to persuade Iran to action up its cooperation with the company forward of a conference of the IAEA’s major member states commencing Monday.