This document is about the enforcement of the Mental Health Parity and Addiction Equity Act (MHPAEA) by the U.S. Department of Labor's Employee Benefits Security Administration (EBSA) and the Centers for Medicare & Medicaid Services (CMS) in fiscal year 2019. It provides details on the number of investigations, types of violations found, and examples of enforcement actions taken to ensure compliance with MHPAEA requirements for financial requirements, treatment limitations, and network adequacy for mental health and substance use disorder benefits.