The Senate voted to begin debate on its tax cut bill Wednesday, edging Republicans closer to their first major legislative victory under President Trump as they seek to finish the chamber’s work on the measure by the end of the week.

Senators voted 52-48 to take up the House-passed legislation, which is being used as a vehicle for the Senate bill.

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No Republicans voted against proceeding to debate, a huge accomplishment for GOP leaders who struggled earlier this year to corral their members around legislation to repeal and replace ObamaCare. No Democrats voted for the measure.

GOP Sens. Susan Collins Susan Margaret CollinsGraham: GOP will confirm Trump's Supreme Court nominee before the election Gardner signals support for taking up Supreme Court nominee this year Tumultuous court battle upends fight for Senate MORE (Maine), Steve Daines Steven (Steve) David DainesMcConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? Toobin: McConnell engaging in 'greatest act of hypocrisy in American political history' with Ginsburg replacement vote MORE (Mont.) and Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (Ariz.) all said they would agree to start debate before it began, despite various worries about the legislation.

In another sign of GOP momentum, Sen. Lisa Murkowski Lisa Ann MurkowskiGraham: GOP will confirm Trump's Supreme Court nominee before the election Gardner signals support for taking up Supreme Court nominee this year Tumultuous court battle upends fight for Senate MORE (Alaska) said she would vote for the tax package — and that she would help manage the floor debate given a section of the bill that would open the Arctic National Wildlife Refuge to drilling.

Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellGraham: GOP will confirm Trump's Supreme Court nominee before the election Trump puts Supreme Court fight at center of Ohio rally The Memo: Dems face balancing act on SCOTUS fight MORE (R-Ky.) urged senators to vote to start debate, promising they’d have time to amend the bill on the Senate floor.

“I encourage any member who thinks that we need to fix the problems of our outdated tax code to vote to proceed to the legislation,” he said in a floor speech. “I urge them to vote for the motion to proceed and offer their amendments. ... The bottom line is this: we must vote to begin debate.”

Trump, a day after visiting the GOP conference, sold the bill on Wednesday during a stop in Missouri, where Democratic Sen. Claire McCaskill Claire Conner McCaskillMomentum growing among Republicans for Supreme Court vote before Election Day Democratic-linked group runs ads in Kansas GOP Senate primary Trump mocked for low attendance at rally MORE is up for reelection.

“This week’s vote can be the beginning of the next great chapter for the American worker,” he said, adding that the tax cuts would ensure a “merry Christmas” for the country.

The GOP’s goal is to get a final bill to Trump’s desk by the end of the year, which would give him and his party a significant win at the end of a difficult year.

If the Senate can approve its legislation this week, Congress would have the month of December to work out differences between the Senate and House bills.

The vote starts the clock on 20 hours of additional debate on the tax legislation before a freewheeling “vote-a-rama.”

During that process, any senator can demand a vote on any amendment, with hundreds of potential changes typically being filed. The vote-a-rama is expected to take place on Thursday. Several senators who could make or break the tax plan remain on the fence, despite agreeing to start debate.

It appears these Republicans are likely to vote for the final bill, though thorny talks about how to safeguard GOP economic estimates that the bill will not bust the budget could be a problem.

Deficit hawks — led by Sens. Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE (R-Tenn.) and James Lankford James Paul LankfordMcConnell works to lock down GOP votes for coronavirus bill Charities scramble to plug revenue holes during pandemic Warren calls for Postal Service board members to fire DeJoy or resign MORE (R-Okla.) — want to include a “trigger” that would increase taxes if the economic growth Republicans are predicting will pay for their tax plan falls short.

The Joint Committee on Taxation estimated that the Senate bill would add about $1.4 trillion to the deficit in its first 10 years before taking economic effects into account. Republican leaders say they expect increased economic growth to create additional revenues that would offset some or all of the deficit increases.

Corker before the procedural vote said they have a deal “in principle” but declined to go into details until the agreement was locked down in writing.

Asked if he would support the legislation without the fiscal backstop, he said that the “trigger is very important to me.”

“I think each of us has to understand in a bill like this there are going to be things you like and things you don’t. You’ve got to decide on balance if it’s better for the country,” he said.

The idea of a trigger has sparked a backlash among conservatives and outside groups, who oppose allowing tax hikes to snap into place.

Sen. Dean Heller Dean Arthur HellerOn The Trail: Democrats plan to hammer Trump on Social Security, Medicare Lobbying World Democrats spend big to put Senate in play MORE (R-Nev.), who is facing a competitive reelection race next year, expressed concerns that a trigger would undermine tax certainty businesses need to make investments.

“I do not support triggers,” he said at an event hosted by groups — backed by GOP mega-donors Charles and David Koch — which oppose the idea. “I think it takes away the kind of certainty that we have put in this bill through the efforts of the Finance Committee over the last three months.”

Leaving a closed-door caucus lunch, members floated a backstop that would enact automatic spending cuts. But Corker said on Wednesday evening that the “trigger” would be limited to automatic tax increases, though the details of the agreement were still being worked out.

Meanwhile, GOP Sens. Ron Johnson Ronald (Ron) Harold JohnsonThis week: Supreme Court fight over Ginsburg's seat upends Congress's agenda GOP set to release controversial Biden report Democrats fear Russia interference could spoil bid to retake Senate MORE (Wis.) and Daines have pushed for more parity between corporations and pass-through businesses.



Pass-throughs are businesses, such as partnerships and sole proprietorships, that have their income taxed through the individual system on their owner’s returns. Many small businesses are pass-throughs.

Just before voting, Daines said that the pass-through deduction would be increased from 17.4 percent to 20 percent, by not allowing big companies to deduct state and local taxes. He said the Senate Finance Committee has worked out a plan for paying for the larger deduction.



Collins said she is a “yes” on starting debate after winning a commitment from McConnell to include funding for ObamaCare’s cost-sharing reduction payments and reinsurance in a must-pass bill by the end of the year.

“I still would prefer that the individual mandate [repeal] were not in the bill,” she said of the tax bill’s elimination of ObamaCare’s mandate that people buy insurance. “It complicates this whole issue and when you pull one piece of the Affordable Care Act out it has an impact on premiums.”

Sens. Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE (R-Utah) and Marco Rubio Marco Antonio RubioMurky TikTok deal raises questions about China's role Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Florida senators pushing to keep Daylight Savings Time during pandemic MORE (R-Fla.) said they plan to offer an amendment that would further expand the child tax credit and pay for it by bringing the corporate rate in the bill from 20 percent to 22 percent. The White House said it opposes the amendment’s increase in the bill’s corporate rate. The corporate rate is currently 35 percent.

This story was updated at 6:44 p.m.