washington republican-controlled u.s. congress appear certain pass sweep tax legislation week two senate republican holdouts agree monday support tax overhaul back president donald trump republicans self-imposed friday vote deadline loom senators susan collins mike lee say decide back legislation hammer last week among republicans senate house representatives first major overhaul tax code since 1986 legislation provide tax relief work families encourage creation job right america spur economic growth benefit americans collins say floor senate announce support maine republican undecided legislation lee similarly undecided utah republican tweet early day would proudly vote bill house representatives also expect adopt bill due vote first around 1:30 p.m. 1830 gmt tuesday republican aid say senate vote expect follow either late tuesday wednesday get president desk sign law christmas pledge predict senate republican john cornyn say senate would begin 10 hours debate receive house-approved measure white house officials say monday vice president mike pence would cast tiebreaking vote senate necessary delay trip egypt israel week washington vote tax plan tax vote still good shape want take chance white house official say package tax cut businesses individuals enact would overhaul u.s. tax code first time 30 years give republicans first major legislative victory trump presidency republicans believe must act preserve house senate majorities next year congressional elections insist tax cut drive u.s. economic growth high create job democrats oppose describe legislation giveaway corporations wealthy americans add 1.5 trillion federal deficit next decade raise tax middle-class taxpayers lawmakers house republicans hold 239-193 seat majority expect approve legislation largely along party line smatter vote likely republican fiscal hawk lawmakers new york new jersey california oppose provision would scale back popular deduction state local tax house senate must approve measure trump sign law 100-seat senate republicans 52-48 majority prove graveyard last summer republican drive overturn former democratic president barack obama healthcare law three republicans oppose measure tax overhaul also face challenge specter failure appear lift monday congress close final vote senate republicans afford lose two vote intend pass tax legislation already one vote senator john mccain undergo treatment brain cancer available support bill spend time family arizona support collins lee senator jeff flake arizona remain undecided fifth republican senator thad cochran mississippi miss vote health reason year expect hand support tax bill republican senator bob corker fiscal hawk vote initial senate bill say support final legislation republicans appear certain pass tax legislation