(Bloomberg) -- The Senate tax-writing committee continuedhammering out the details of its tax cut proposal Tuesday, whilethe House may vote on its bill as soon as Thursday.

Senator John Thune, the chamber’s No. 3 Republican, said therepeal of the individual mandate required by Obamacare will beincluded in the revised version of the Senate GOP tax plan.

House Majority Whip John Cornyn is confident the chamber willget the 50 votes it needs to pass a bill, according to Thune. “Wewouldn’t have proceeded if Cornyn wasn’t confident he could get to50,” Thune said.

The chairman’s mark out later Tuesday will fully comply withSenate budget rules designed to prevent long-term deficits,according to a Senate GOP aide who asked not to be named becausethe discussions were private. Adding the mandate’s repealshould help in that effort by reducing out year deficits.

Democrats on the Senate Finance Committee objected to theemerging Republican plan to add the repeal of the Obamacare law’sindividual mandate to tax overhaul legislation.

The Finance panel’s hearing briefly grew heated as Senator RonWyden, the panel’s top Democrat, suggested that it was improper toconsider the measure. He asked that the committee recess untilWednesday -- and Chairman Orrin Hatch agreed.

“We’ve had it for the day,” Wyden said. “Expect us to be backtomorrow with a lot of questions.”

Senate leaders have said the chamber’s tax writers areconsidering including the provision in a revised tax bill that’splanned for release later Tuesday. Eliminating the requirement forindividuals to purchase insurance would generate an estimated $338billion in savings over 10 years -- helping tax writers to meetavoid increasing the federal deficit too deeply with their taxcuts.

Those savings would come from reductions in government spendingon health-coverage subsidies for an estimated 13 million Americanswho would forgo coverage in 2027, according to an estimate from theCongressional Budget Office.

Democrats described the plan as paying for tax cuts byeliminating health coverage. “In their desperation to secure anideological trophy, no matter the consequences, Republicans arechoosing to pay for corporate tax cuts by raising premiums formiddleclass families and ripping away health care altogether frommillions more,” Wyden said in a prepared statement. “This is a conjob on the American people and proves that Republicans’ only agendais putting an economic double standard into black letter law.”

Also Tuesday, a coalition of health-care groups urgedcongressional leaders to maintain the mandate “unless and untilCongress can enact a package of reforms” to prevent “extraordinarypremium increases.”

“There will be serious consequences if Congress simply repealsthe mandate while leaving the insurance reforms in place: millionsmore will be uninsured or face higher premiums, challenging theirability to access the care they need,” said a letter tocongressional leaders from the group, which includes the AmericanMedical Association, the American Hospital Association andAmerica’s Health Insurance Plans.

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