This document provides an overview of essential information necessary for understanding mental health and substance use disorder parity and how to implement and comply with federal parity laws. This guide applies to parity laws in employer-sponsored health plans and group and individual insurance.

This report summarizes a program evaluation of a federally funded, state-based system to protect patient rights of those with significant mental health issues. It reviews the program goals, presents significant findings, and discusses their impact on outcomes for patients.