APA's Office of Healthcare Systems and Financing has created a Web site to monitor the implementation of the Paul Wellstone and Pete Domenici Mental Health Parity and Addiction Equity Act of 2008 (Parity Act). The purpose of the site is to make certain that health insurers covered by the act are providing benefits in compliance with the law. The law requires that any group health plan that covers more than 50 employees and offers mental health and/or substance use disorders coverage must provide that coverage with no greater financial requirements (that is, copays, deductibles, annual or lifetime dollar limits) or treatment limitations (that is, number of visits) than the predominant requirements that it applies to substantially all medical/surgical benefits.