With US ofOcials repeatedly warning that time is short to strike a deal over Iran's nuclear program, diplomats are set to reconvene for talks in Vienna on Tuesday. Russian negotiator Mikhail Ulyanov said on Monday that talks seem to be at "the Onal stage. " That means a deal under which Iran agrees to curbs on its nuclear program in exchange for sanctions relief could be reached very soon — if negotiators can agree on the terms. Below, Energy Intelligence addresses some key questions that will arise if an agreement is reached to return to the 2015 Joint Comprehensive Plan of Action (JCPOA).
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