Sen. Susan CollinsSusan Margaret CollinsCheney drama exposes GOP's Trump rifts House to advance appropriations bills in June, July Manchin touts rating as 'most bipartisan senator' MORE (R-Maine) said on Monday that she will support the GOP tax plan as leadership appears to have the votes to pass the bill. 

"I rise to express my support for the conference agreement on the Tax Cuts and Jobs Act. ... This legislation will provide tax relief to working families, encourage the creation of jobs right here in America and spur economic growth that will benefit all Americans," Collins said from the Senate floor. 
 
She added that "most Maine households with see their taxes go down." 
 
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Senate Republicans believe they have the votes to pass the tax plan as soon as Tuesday evening. 
 
With a 52-seat majority, they can only afford to lose two GOP senators and still let Vice President Pence break a tie. 
 
Sen. John McCainJohn Sidney McCainEx-McSally aide pleads guilty to stealing over 0K in campaign funds DOJ: Arizona recount could violate civil rights laws Cheney fight stokes cries of GOP double standard for women MORE (R-Ariz.) is expected to miss the tax vote, and Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeThe unflappable Liz Cheney: Why Trump Republicans have struggled to crush her  Cindy McCain: Arizona election audit is 'ludicrous' The Republicans' deep dive into nativism MORE (R-Ariz.), who supported the Senate bill, hasn't said if he will back the conference agreement. But GOP Sens. Bob CorkerRobert (Bob) Phillips CorkerThe unflappable Liz Cheney: Why Trump Republicans have struggled to crush her  The Republicans' deep dive into nativism Fox News inks contributor deal with former Democratic House member MORE (Tenn.), Marco RubioMarco Antonio RubioDemocrats cool on Crist's latest bid for Florida governor Tim Scott sparks buzz in crowded field of White House hopefuls The unflappable Liz Cheney: Why Trump Republicans have struggled to crush her  MORE (Fla.) and Mike LeeMichael (Mike) Shumway LeeGOP governor says Republican Party has to allow for differences Republicans urge probe into Amazon government cloud-computing bid: report Allowing a racist slur against Tim Scott to trend confirms social media's activist bias MORE (Utah), three key holdouts, have said they will support the bill. 
 
Collins supported the Senate's version after getting her amendments included in the bill, as well as a promise from Senate GOP leadership to pass the bills aimed at stabilizing the individual health insurance market under ObamaCare. 
 
Several amendments that Collins offered were incorporated into the bill, including the restoration of a $10,000 deduction for state and local property taxes and a lower threshold for deducting medical expenses.