NEW YORK CITY: When the US and Iran signed a memorandum of understanding on June 14, ending more than three months of war and opening a 60-day negotiating window, the announcement was greeted with international relief. But many questions remain unanswered, central among them whether the economic relief Tehran is demanding can actually be delivered, and if so, through which legal channels. The answer, experts say, is complicated and its path runs directly through a deeply divided UN Security Council.

Iran's draft deal with the US includes oil sanctions waivers, nuclear limits, and asset releases, pending final agreement.

A draft memorandum of understanding between the United States and Iran includes provisions for an immediate end to military operations across multiple fronts, the lifting of…