Senators push tougher sanctions against Iran
© Greg Nash

A bipartisan group of senators is rolling out long-awaited legislation to crack down on Iran. 

Sens. Bob CorkerRobert (Bob) Phillips CorkerCheney set to be face of anti-Trump GOP How leaving Afghanistan cancels our post-9/11 use of force The unflappable Liz Cheney: Why Trump Republicans have struggled to crush her  MORE (R-Tenn.), Bob MenendezRobert (Bob) MenendezFive ways Senate could change Biden's spending plan Spending bill faces Senate scramble Republicans raise concerns over Biden's nominee for ambassador to Germany MORE (D-N.J.), Marco RubioMarco Antonio RubioRepublicans struggle to save funding for Trump's border wall Rubio: Dropping FARC from terrorist list threatens Colombians, US security This Thanksgiving, skip the political food fights and talk UFOs instead MORE (R-Fla.) and Joe ManchinJoe ManchinKlobuchar confident spending bill will be finished before Christmas Democratic frustration growing over stagnating voting rights bills Key senators to watch on Democrats' social spending bill MORE (D-W.Va.) — who all opposed last year's nuclear agreement — announced Wednesday that they would introduce a proposal to extend and expand sanctions against Iran.
 
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"In the absence of resolve from the White House, and with strong support from members of both parties, I am hopeful Congress will act in the coming months to pass this robust legislation to counter Iranian aggression," Corker, the chairman of the Foreign Relations Committee, said in a statement. 
 
According to a release from Corker's office, the proposal will impose mandatory sanctions on individuals tied to Iran's ballistic missile programs, the Revolutionary Guard or "any significant activities undermining cybersecurity by Iran." 
 
It includes a 10-year extension of the Iran Sanctions Act, which is currently set to expire at the end of the year. 
 
Manchin said that legislation will uphold "sanctions pressure on the Iranian regime through 2026 to improve its record on human rights and curtail Iran's acquisition of ballistic missiles."
 
The legislation would also require the president to block assets of individuals tied to supplying, selling or transferring "prohibited arms and related material" and bar any president from waiving sanctions under the legislation as part of any future deals with Iran.
 
Corker said earlier this year that he thought Obama was using national security waivers — which give him flexibility on enforcing sanctions — "in a manner that Congress never intended."
 
The legislation comes approximately a year after the nuclear agreement between Iran and the United States and five other countries was announced. 
 
Though GOP lawmakers failed to stop the deal in Congress, they've continued to blast the agreement. They've also voiced frustration over a string of ballistic missile tests and concerns that Iran could get indirect help from U.S. financial institutions. 
 
Lawmakers have been negotiating for months on how to pass new Iran legislation, with Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellFive issues that will define the months until the midterms  Key senators to watch on Democrats' social spending bill Republicans seem set to win the midterms — unless they defeat themselves MORE (R-Ky.) warning that he won't let a bill come up unless it has enough support to override a presidential veto. 
 
Corker predicted last year that an extension of the Iran Sanctions Act would get 67 votes, but Democrats have offered their own proposals in the wake of the agreement. 
 
 
That could set up the sanctions law to be lifted on the deal's "transition day," or roughly eight years after the nuclear agreement was adopted. 
 
 
Cardin, so far, hasn't signed onto Corker's legislation, and he indicated Wednesday evening that he's still studying it. 
 
"I've talked to them about it. ... A lot of what's in that bill are areas that I've covered in legislation that I've filed," he told The Hill. "Some of the provisions that are not in there are more challenging."