(JNS) The United States and Iran have been engaged in indirect diplomacy in an effort to revive the 2015 nuclear deal, White House National Security Adviser Jake Sullivan said last week.

“Diplomacy with Iran is ongoing, just not in a direct fashion at the moment,” he said, reported Reuters. “There are communications through the Europeans and through others that enable us to explain to the Iranians what our position is with respect to the compliance-for-compliance approach, and to hear what their position is.”

The administration of U.S. President Joe Biden is seeking to renew talks with Iran, but Iran has been demanding the removal of all sanctions as a precondition.