This document is about the process for petitioning the Departments of Health and Human Services, Labor, and the Treasury, and the Office of Personnel Management to deny or revoke the certification of an independent dispute resolution (IDR) entity. It provides instructions on the required information to be included in the petition, such as the identity of the IDR entity, the reason(s) for the petition, and documentation to support the petition. The document also outlines the standards and requirements that IDR entities must meet in order to be certified, and the prohibition on certain plans, issuers, providers, and their affiliates and subsidiaries from being certified as IDR entities.