Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) on Tuesday said that the administration should submit any deal with North Korea to Congress.

“I think there would be widespread interest in Congress for having involvement. ... [If] the president can reach a significant agreement with North Korea, I hope it takes the form of a treaty,” McConnell told reporters.

McConnell noted there was “precedent” for the administration making a deal without a treaty and what route they end up taking “will be up to them, but I do believe they'll need to come to Congress in some form.”

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McConnell's comments come after Trump and North Korean Leader Kim Jong Un held a historic meeting in Singapore. The two men signed an agreement committing the United States to unspecified “security guarantees” in exchange for a denuclearized Korean Peninsula.

Several GOP senators signaled earlier Tuesday that they believe any final agreement should be sent to Congress for its approval.

"Yeah, assuming there is a final agreement, they've indicated that they would bring that agreement to us in the form of a treaty," GOP Sen. Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE (R-Tenn.), the Foreign Relations Committee chairman, told The Hill.

Sending any agreement to the Senate in the form of a treaty would require the deal to get bipartisan support and win over two-thirds of the chamber. The Obama-era State Department rankled congressional Republicans when it defined the Iran nuclear deal as a "nonbinding agreement" instead of a treaty.

Sen. Thom Tillis Thomas (Thom) Roland TillisThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting OVERNIGHT ENERGY: EPA head questions connection of climate change to natural disasters | Pebble Mine executives eye future expansion in recorded conversations | EPA questions science linking widely used pesticide to brain damage in children Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight MORE (R-N.C.) added that both countries are “early in the process” but if the administration is able to lock down an agreement it should be sent to Congress.

“I think when you're talking about something as profound as maybe ending a war that we've been in for about 70 years. ... I think it should take congressional action to solidify it,” he added.

GOP Sen. John Cornyn John CornynThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight Senate GOP faces pivotal moment on pick for Supreme Court MORE (Texas), the No. 2 Republican in the Senate, said separately on Tuesday that he believed the administration “should” submit the deal to Congress and Sen. Lindsey Graham Lindsey Olin GrahamSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-S.C.) said on NBC's Today that he not only wanted “to see the details, I want to vote on them.”

Secretary of State Mike Pompeo Michael (Mike) Richard PompeoTreasury sanctions individuals, groups tied to Russian malign influence activities Navalny released from hospital after suspected poisoning Overnight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers MORE indicated earlier this month that the administration intended to give a document to Congress for their approval.