Lael Keiser, PhD, Associate Professor, Department of Political Science, Truman School of Public Affairs, University of Missouri; Justin Dyer, PhD, Associate Professor, Department of Political Science, University of Missouri Learning Objectives: 1. Discuss the importance of implementation in determining the future of the ACA. 2. Explain the role of the Executive Branch, Courts and Congress in the rulemaking process. 3. Discuss the implications for recent court decisions on implementation.