(Bloomberg) -- The U.S. has to offer something on top of the 2015 nuclear pact if it wants more concessions from Iran, an adviser to President Hassan Rouhani said.

If the Trump administration “wants something beyond the JCPOA, it needs to offer something beyond the JCPOA with international guarantees,” Hesameddin Ashena said on Twitter on Monday in reference to the agreement.

To contact the reporter on this story: Ladane Nasseri in Dubai at lnasseri@bloomberg.net

To contact the editors responsible for this story: Shaji Mathew at shajimathew@bloomberg.net, Paul Abelsky

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