Fiscal conservatives argue that the enhanced subsidies for Obamacare marketplace health insurance should not be made permanent despite the demands of Democrats, whose votes are needed to fund the government.

The extension of enhanced premium tax credits for Obamacare plans, which are set to expire at the end of the year, was a key demand of Democrats in the lead-up to the government shutdown on Oct. 1, and will likely be a centerpiece of any negotiations to fund the federal government.