Sen. 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), who had been undecided, said Monday that he will vote for the GOP tax bill.

“Just finished reading the final Tax Cuts and Jobs Act. It will cut taxes for working Utah families,” Lee tweeted. “I will proudly vote for it.”

Just finished reading the final Tax Cuts and Jobs Act. It will cut taxes for working Utah families. I will proudly vote for it. — Mike Lee (@SenMikeLee) December 18, 2017

{monads}Lee, along with Sen. Marco Rubio Marco Antonio RubioOvernight 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 Democrats step up hardball tactics as Supreme Court fight heats up Press: Notorious RBG vs Notorious GOP MORE (R-Fla.), had been pushing for a more generous child tax credit, which the two senators said would help poor and middle-class taxpayers.

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After winning concessions, Rubio shifted Friday from "no" to "yes" on the bill, but Lee had yet to say he would back it.

Sen. John McCain John Sidney McCainThe Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' Cindy McCain: Trump allegedly calling war dead 'losers' was 'pretty much' last straw before Biden endorsement MORE (R-Ariz.) will miss the vote on the bill after returning to Arizona early for the holidays, after being hospitalized for side effects he suffered from his brain cancer treatment.

The Senate is expected to vote Wednesday on the bill, with the House voting on Tuesday.