UNITED STATES COURT OF APPEALS April 30, 2024

Christopher M. Wolpert FOR THE TENTH CIRCUIT Clerk of Court _________________________________

DUKE BRADFORD; ARKANSAS VALLEY ADVENTURES, LLC, AKA AVA Rafting and Zipline; COLORADO RIVER OUTFITTERS ASSOCIATION,

Plaintiffs - Appellants,

v. No. 22-1023

U.S. DEPARTMENT OF LABOR; U.S. DEPARTMENT OF LABOR, WAGE AND HOUR DIVISION; JOSEPH R. BIDEN, President of the United States; JULIE A. SU, U.S. Secretary of Labor; JESSICA LOOMAN, Acting Administrator,

Defendants - Appellees.

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ECONOMIC POLICY INSTITUTE; NATIONAL EMPLOYMENT LAW PROJECT; NATIONAL ABILITY CENTER; NATIONAL WOMEN'S LAW CENTER; STATE OF ARIZONA; SERVICE EMPLOYEES INTERNATIONAL UNION; STATE OF ALABAMA; STATE OF ARKANSAS; STATE OF GEORGIA; STATE OF IDAHO; STATE OF INDIANA; STATE OF LOUISIANA; STATE OF MISSISSIPPI; STATE OF MISSOURI;

 Pursuant to Fed. R. App. P. 43(c)(2), Julie A. Su is substituted for Martin J. Walsh, former U.S. Secretary of Labor. Appellate Case: 22-1023 Document: 010111040629 Date Filed: 04/30/2024 Page: 2

STATE OF MONTANA; STATE OF NEBRASKA; STATE OF OKLAHOMA; STATE OF SOUTH CAROLINA; PUBLIC CITIZEN; SAFARI CLUB INTERNATIONAL; COMMUNICATIONS WORKERS OF AMERICA; STATE OF ILLINOIS; STATE OF CALIFORNIA; STATE OF CONNECTICUT; STATE OF DELAWARE; DISTRICT OF COLUMBIA; STATE OF MAINE; STATE OF MARYLAND; STATE OF MASSACHUSETTS; STATE OF MICHIGAN; STATE OF MINNESOTA; STATE OF NEVADA; STATE OF NEW JERSEY; STATE OF NEW MEXICO; STATE OF NEW YORK; STATE OF NORTH CAROLINA; STATE OF OREGON; STATE OF PENNSYLVANIA; STATE OF RHODE ISLAND; STATE OF VERMONT; STATE OF WASHINGTON,

Amici Curiae. _________________________________

Appeal from the United States District Court for the District of Colorado (D.C. No. 1:21-CV-03283-PAB-STV) _________________________________

Caleb Kruckenberg, Pacific Legal Foundation, Arlington, Virginia (Michael A. Poon, Pacific Legal Foundation, Sacramento, California, and Steven M. Simpson, Institute for Justice, Arlington, Virginia, with him on the briefs), for Plaintiffs-Appellants.

Daniel Winik, Attorney, U.S. Department of Justice, Civil Division, Washington, D.C. (Brian M. Boynton, Principal Deputy Assistant Attorney General; U.S. Department of Justice, Civil Division, Washington, D.C.; Cole Finegan, United States Attorney for the State of Colorado; and Mark B. Stern, Attorney, United States Department of Justice, Civil Division, Washington, D.C., with him on the brief), for Defendants-Appellees.

Drew C. Ensign, Deputy Solicitor General (Kris Mayes, Arizona Attorney General, with him on the amici brief), Office of the Attorney General for the State of Arizona, Phoenix,

2 Appellate Case: 22-1023 Document: 010111040629 Date Filed: 04/30/2024 Page: 3

Arizona, filed on behalf of the States of Arizona, Alabama, Arkansas, Georgia, Idaho, Indiana, Louisiana, Mississippi, Missouri, Montana, Nebraska, Oklahoma, and South Carolina), for Amici Curiae.

Jeremy E. Clare and Regina Lennox, Safari Club International, Washington, D.C., filed an amicus brief on behalf of Safari Club International in support of Plaintiffs-Appellants.

Lucas C. Townsend, Gibson Dunn & Crutcher, Washington, D.C.; Dayna Zolle Hauser, Gibson Dunn & Crutcher, Denver, Colorado and Ryan Azad, Gibson, Dunn & Crutcher, San Francisco, California, filed an amicus brief on behalf of The Na