Donald Trump

Republican lawmakers are scrambling to lock up the votes needed to finalize a tax bill that can make it to President Donald Trump’s desk by the end of the year, without the benefit of an important estimate of its possible economic benefits.

The Senate tax bill is headed for a marathon debate this week with the aim to hold a floor vote as early as Thursday. Should it pass, Republican leaders will have to hammer out a compromise between different provisions in the House and Senate bills. Here are the latest developments, updated throughout the day.

Senate Republicans tucked some multibillion-dollar tax increases for corporations into the 515-page tax bill they released this week—spring-loaded hikes that would begin after 2024 if the economy doesn’t grow as fast as GOP lawmakers have promised.

Alaska Senator Lisa Murkowski’s decision to agree late Tuesday to smash Obamacare’s individual mandate may remove one obstacle to passing the Senate Republican tax bill next week.

Vice President Mike Pence said Republicans would repeal the estate tax—a step that the Senate GOP tax plan doesn’t currently plan to take.

The Senate tax plan encountered its first outright Republican opposition this week, from a senator whose concerns might foreshadow the biggest business challenge ahead for the proposal.

The Republican tax plan isn’t designed to help rich New Yorkers, but Wall Street can certainly look forward to some advantages, said Treasury Secretary Steven Mnuchin.

House Republicans passed their version of legislation to overhaul the U.S. tax code by slashing the corporate tax rate, lowering tax burdens for most individuals and adding an estimated $1.4 trillion to the federal deficit over the next decade.

Senate Republicans may face a political problem in the final push for their tax-cut plan, and they might need Democrats to help fix it.

Treasury Secretary Steven Mnuchin is mounting a cross-country roadshow to persuade businesses and the Republican faithful to put their weight behind a proposed tax overhaul from the Trump administration that so far lacks broad public support.