The Internal Revenue Service is setting forth proposed rules related to the fees established by the No Surprises Act for the Federal independent dispute resolution (IDR) process, as established by the Consolidated Appropriations Act, 2021 (CAA). These proposed rules would amend existing regulations to provide that the administrative fee amount charged by the Department of the Treasury, the Department of Labor, and the Department of Health and Human Services (the Departments) to participate in the Federal IDR process, and the ranges for certified IDR entity fees for single and batched determinations will be set by the Departments through notice and comment rulemaking. These proposed rules would also set forth the methodology used to calculate the administrative fee and the considerations used to develop the certified IDR entity fee ranges. This document also proposes the amount of the administrative fee for disputes initiated on or after the later of the effective date of these rules or January 1, 2024. Finally, this document proposes the certified IDR entity fee ranges for disputes initiated on or after the later of the effective date of these rules or January 1, 2024. Comments must be received by October 26, 2023.