Senate Democrats are moving to try to rein in President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's tariff authority, marking the latest sign of pushback on Capitol Hill over the administration's trade policies.

Sens. Tim Kaine Timothy (Tim) Michael KaineButtigieg stands in as Pence for Harris's debate practice Trump meets with potential Supreme Court pick Amy Coney Barrett at White House Names to watch as Trump picks Ginsburg replacement on Supreme Court MORE (D-Va.) and Tom Carper Thomas (Tom) Richard CarperDemocrat asks for probe of EPA's use of politically appointed lawyers Overnight Energy: Study links coronavirus mortality to air pollution exposure | Low-income, minority households pay more for utilities: report OVERNIGHT ENERGY: Democrats push resolution to battle climate change, sluggish economy and racial injustice | Senators reach compromise on greenhouse gas amendment stalling energy bill | Trump courts Florida voters with offshore drilling moratorium MORE (D-Del.) are introducing legislation on Wednesday that would require Congress to vote to approve tariffs implemented for national security reasons.

Under the bill, obtained by The Hill ahead of its release, a president could implement tariffs for national security reasons under section 232 of the trade laws, the International Emergency Economic Powers Act and the Trading with the Enemy Act, but Congress would have to vote within 120 days to continue them or the financial penalties would sunset. A resolution approving the tariffs would need to win over a simple majority of both chambers.

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The Democratic senators said the legislation would help rebalance the relationship between Congress and the White House on trade, where lawmakers have ceded some of their authority to the executive branch in recent decades.

"What we’ve seen from the Trump Administration is an abuse of that power. ... This bill will protect the American economy by ensuring Congress reclaims its oversight of trade decisions,” Kaine said in a statement.

Carper added that the legislation was needed after Congress has "slowly but surely ceded" their authority, "allowing presidents to take steps that impact American consumers without consulting Congress."

The president used Section 232 to impose tariffs on steel and aluminum imports, including slapping the financial penalties on key trading allies like the European Union, Canada and Mexico.

The legislation would also bolster congressional oversight of broader tariff and trade policy including a president's section 301 tariff authority, a provision that Trump has used to implement tariffs on some imports from China.

Under the Kaine-Carper bill, Congress could pass a resolution of disapproval within 60 days of an administration moving forward with tariffs using its 301 authority.

Trump's use of tariffs has been a regular point of tension between the White House and lawmakers, including traditional allies in the GOP.

The Senate took a symbolic shot at his use of the financial penalties last year by instructing lawmakers hashing out a deal on a government funding bill to include language “providing a role for Congress” on tariffs implemented for national security reasons.

The language was nonbinding, but more senators supported including the language than the amount needed to override a veto, underscoring the depth of concern on Capitol Hill.

But Republicans have been wary of formally breaking with Trump, with attempts by then-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.) to attach legislation requiring congressional approval for tariffs applied for national security reasons to a defense policy bill and the farm bill each blocked.

Trump allies have warned lawmakers against passing legislation, arguing it would undercut the president’s negotiating ability.

But a key GOP senator is expected to soon introduce legislation that would bolster congressional oversight over national security tariffs.

Sen. Chuck Grassley Charles (Chuck) Ernest GrassleyCollins says she will vote 'no' on Supreme Court nominee before election The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Gardner signals support for taking up Supreme Court nominee this year MORE (R-Iowa), the chairman of the Finance Committee, said in a statement on Tuesday that he would be introducing legislation that includes requiring Congress to approve Section 232 tariffs after a certain period of time.

“Congress should take back some of this delegation of its Constitutional authority and rebalance trade powers between the two branches in a responsible way that doesn’t impede a president’s ability to protect America’s national security," Grassley said in a statement.

He added that he wanted to work with Sen. Ron Wyden Ronald (Ron) Lee WydenGOP set to release controversial Biden report Democrats fear Russia interference could spoil bid to retake Senate GOP senator blocks Schumer resolution aimed at Biden probe as tensions run high MORE (D-Ore.), the top Democrat on the Finance Committee, and other colleagues to "find a path forward that can receive broad, bipartisan support.”

--This report was updated at 12:24 p.m.