This document is about the Department of Labor's report to Congress on its implementation and enforcement actions for the Mental Health Parity and Addiction Equity Act. It outlines the Department's enforcement program, consumer assistance and education efforts, and interpretive guidance, as well as other intergovernmental activities related to mental health and substance use disorder parity. The report highlights the Department's commitment to full implementation of the parity law and the challenges it faces in leveraging limited resources to ensure compliance and protect individuals' access to necessary mental health and substance use disorder treatment.