Alaska Republican Sen. Lisa Murkowski suggested Thursday that her vote on the current version of the Senate GOP tax overhaul is contingent on the passing of a separate bill to stabilize the individual health insurance market.

The tax legislation now includes a section to repeal the individual mandate in the 2010 health care law — a provision that opens up more than $300 billion in revenue — but could also threaten the viability of the overall law.

The measure has caused some heartburn for moderate Republicans, particularly Murkowski and Sen. Susan Collins of Maine, two of the three senators who helped sink the GOP effort to repeal the health care law this summer.

Murkowski believes legislation from the Senate Health, Education, Labor and Pensions leaders, Chairman Lamar Alexander and ranking member Patty Murray, is necessary before the mandate — which supporters of the law say is a critical foundation for the current insurance markets — is repealed.

See Hatch and Brown’s Tax Skirmish