An informed Iranian source confirmed to Al Jazeera that a new understanding has been reached with the International Atomic Energy Agency (IAEA) on one of the three sites that are witnessing an investigation related to allegations of the presence of uranium particles enriched to 83.7%.
The Iranian source added that the settlement with the International Atomic Energy Agency is over the site of Abadeh near the city of Shiraz, known in the agency's reports as the site "Mariwan".
The source confirmed that Tehran agreed last March to reinstall a number of surveillance cameras in one of its nuclear facilities, but that their information will not be sent to the IAEA but stored in special chips.
Iranian media sources said the allegations about the detection of particles of uranium enriched to 83.7 percent had been settled with the IAEA's investigation and clarifications provided by Tehran.
The IAEA is due to issue quarterly reports on Iran this week ahead of a regular meeting of its 35-nation board of governors next week.
Since April 2021, Iran and major powers have engaged in talks aimed at reviving the nuclear deal signed with the West in 2015, in which the United States participated indirectly. Although progress has been made in these talks, they have not reached the stage of understanding to reactivate the agreement.
Iran and the parties to the agreement began talks to revive it in April 2021, with the coordination of the European Union and indirect US participation. The negotiation stalled in early September 2022, with Western parties asserting that Iran's response to a draft understanding was "unconstructive."
The issue of the IAEA finding traces of nuclear material at undeclared sites has been a key point of divergence during talks to revive the deal.