This amendment “makes it clear that central bank is central source of money for Iran’s nuclear program… and that needs to be addressed,” said Menendez.

“This is the maximum opportunity to have a peaceful diplomacy to stop Iran from gaining nuclear weapons,” added Kirk.

Earlier in the year Kirk, along with Democratic Sen. Charles SchumerCharles SchumerConfirm Gary Richard Brown for the Eastern District of New York Voters want to drain the swamp? They can start with Louisiana GOP The Hill's 12:30 Report MORE (N.Y.), spearheaded an effort to push the White House to move to the collapse of the Central Bank of Iran as reprisal for that nation’s persistent nuclear efforts.

The Kirk-Schumer letter, signed by 92 senators, urged the White House “to impose crippling sanctions on Iran's financial system by cutting off the CBI."