ACA: A Brief Overview of the Law, Implementation, and Legal Challenges

This report provides a brief summary of major Affordable Care Act (ACA) provisions, implementation and oversight activities, and current legal challenges. The 111th Congress passed major health reform legislation, the Patient Protection and Affordable Care Act (ACA; PL 111-148), which was substantially amended by the health provisions in the Health Care and Education Reconciliation Act of 2010. Several other laws that were subsequently enacted made more targeted changes to specific ACA provisions.

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