Its 25 members, made up of 14 constituency members and 11 list AMs, have one key sanction – to approve or block the mayor's budget, which they must do with a two-thirds majority.
He is worried that the US administration, eager for a foreign policy success, is ready to make what he calls a bad deal - a deal that keeps Iran's ability to make a bomb intact, and at the same time removes the key sanctions that brought Iran to the negotiating table in the first place.
Trump pointed to the Islamic Republic's role as a sponsor of militant groups throughout the Middle East and promised to reinstate key sanctions on Iran that had been waived as part of its agreement.
"The most important thing is to maintain the core sanctions, the key sanctions that do make it more difficult and prevent Iraq from rebuilding its weapons programs, particularly its weapons of mass destruction," Richard Boucher, a State Department spokesman, said today.
French officials have signaled in the last 10 days that they believe the deal should be toughened up by extending its duration and retaining key sanctions on Iran for as long as possible.
This has been politically expedient, allowing the Conservatives during the coalition government to time-limit, condition and sanction a key benefit – and now cut it – while claiming the "vulnerable disabled" are being protected.
A key roadblock to robust sanctions is China, which has deep economic and energy ties to Iran.
The two sides may be unable to agree to terms on a key issue, be it sanctions relief for North Korea or Washington's demand to allow outside nuclear inspectors into the reclusive country.
She will be more than aware of the countless reports showing the widespread nature of benefit failings: be it the National Audit Office "savaging" universal credit, the Trussell Trust finding benefit sanctions a key cause of food bank need, or the MPs' inquiry into disability benefits being "deluged" by tales of despair.
On Friday, the US voiced optimism that China would help enforce UN sanctions, a key part of which involves stopping money flow to Pyongyang's nuclear programme and illicit arms sales.
