The Inflation Reduction Act represents the most significant changes to the Part D program since its inception 20 years ago. The implications will not only alter the benefits offered by Medicare Advantage (MAPD) and Prescription Drug Plans (PDP) but will alter the Part D cash flows and the seasonality of such amounts for interim reporting periods. In this session, we will provide a brief overview of the IRA changes and dive into how the changes could impact the 2008 Medicare Part D Accounting Practice Note.