President Trump on Sunday touted GOP-backed tax-reform efforts as Senate Republicans look to pass legislation this week.

"Back in D.C., big week for Tax Cuts and many other things of great importance to our Country. Senate Republicans will hopefully come through for all of us. The Tax Cut Bill is getting better and better. The end result will be great for ALL!" the president tweeted.

Back in D.C., big week for Tax Cuts and many other things of great importance to our Country. Senate Republicans will hopefully come through for all of us. The Tax Cut Bill is getting better and better. The end result will be great for ALL! — Donald J. Trump (@realDonaldTrump) November 26, 2017

Trump's tweet came shortly after he touched down in Washington after the Thanksgiving holiday.

Senate Republicans and the Trump administration are aiming to score their first legislative victory this week since taking control of Congress and the White House in January.

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The president will head to Capitol Hill on Tuesday in an effort to push tax-reform legislation.

There are several Republicans in the Senate who have yet to say whether or not they will vote for the measure, including 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), Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE (Tenn.), 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.), John McCain John Sidney McCainBiden's six best bets in 2016 Trump states Replacing Justice Ginsburg could depend on Arizona's next senator The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (Ariz.) and 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), according to ABC News.

Sen. 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 (R-Wis.) said last week he would not vote for the bill.

Trump rallied House Republicans earlier this month ahead of their tax-reform vote.