The U.S. Supreme Court heard oral arguments Wednesday is a case involving the Affordable Care Act and its tax subsidies and, as expected, the justices are split on the issue.
The four plaintiffs who brought the case against President Barack Obama's signature health reform law argue that the tax subsidies were not intended for people purchasing insurance through the federal government's exchange. The challengers claim the tax subsidies were meant only for people in the 13 states and the District of Columbia that operate their own insurance marketplaces.
Millions of people could see their tax credits invalidated if the nation's high court sides with the plaintiffs, which would be a huge blow to the ACA.
The high court's four liberal justices voiced their support of the government's position that the law calls for subsidies for residents in all 50 states, not just those in which the state runs the insurance marketplace.
The nation's high court is expected to hand down a decision in the case, King v. Burwell, by the end of June.
The U.S. Supreme Court upheld key elements within the Affordable Care Act when it took up the health reform law for the first time in 2012.