Kaiser Family Foundation – “On March 4, 2015, the Supreme Court will hear oral argument in King v. Burwell, a case challenging the availability of the Affordable Care Act’s (ACA) premium subsidies in states with a Federally-run Marketplace (including states with a Federally-facilitated Marketplace (FFM) and states with a Partnership Marketplace). In addition to expanding eligibility for Medicaid, the ACA increases access to affordable health insurance and reduces the number of uninsured by providing for the establishment of Marketplaces that offer qualified health plans and administer premium subsidies and cost-sharing reductions to make coverage affordable. The King v. Burwell petitioners are challenging the legality of the IRS regulation allowing premium subsidies in states with a Federally-run Marketplace as contrary to the language of the ACA. This issue brief examines the major questions raised by the King case, explains the parties’ legal arguments, and considers the potential effects of a Supreme Court decision…”