Plaintiff:	STATE OF CALIFORNIA, COMMONWEALTH OF MASSACHUSETTS, STATE OF NEVADA, STATE OF WASHINGTON, STATE OF ARIZONA, STATE OF COLORADO, STATE OF CONNECTICUT, STATE OF DELAWARE, DISTRICT OF COLUMBIA, STATE OF ILLINOIS, STATE OF MAINE, STATE OF MARYLAND, STATE OF MICHIGAN, STATE OF MINNESOTA, STATE OF NEW JERSEY, STATE OF NEW MEXICO, STATE OF NEW YORK, STATE OF NORTH CAROLINA, STATE OF OREGON, STATE OF RHODE ISLAND, STATE OF VERMONT, COMMONWEALTH OF VIRGINIA, STATE OF WISCONSIN and JOSH SHAPIRO, in the official capacity as Governor of the Commonwealth of Pennsylvania
Defendant:	DONALD J. TRUMP, in the official capacity as President of the United States, UNITED STATES DEPARTMENT OF JUSTICE, US DEPT. OF HOMELAND SECURITY, MARKWAYNE MULLIN, in the official capacity as Secretary of the United States Department of Homeland Security, SOCIAL SECURITY ADMINISTRATION, FRANK J. BISIGNANO, in the official capacity as Commissioner of the United States Social Security Administration, US POSTAL SERVICE, DAVID STEINER, in the official capacity as Postmaster General and Chief Executive Officer of the Postal Service, DOUGLAS TULINO, in the official capacity as Deputy Postmaster General, Chief Operating Officer and Chief Human Resources Officer of the Postal Service and Member of the Postal Service Board of Governors, AMBER MCREYNOLDS, in the official capacity as Chair of the Postal Service Board of Governors, DEREK T. KAN, in the official capacity as Vice Chairman of the Postal Service Board of Governors, RONALD STROMAN, in the official capacity as a Member of the Postal Service Board of Governors, DANIEL MARK TANGHERLINI, in the official capacity as a Member of the Postal Service Board of Governors and TODD BLANCHE, in the official capacity as Acting U.S. Attorney General
Appellant:	STATE OF ALABAMA, STATE OF MISSOURI, STATE OF FLORIDA, STATE OF INDIANA, STATE OF KANSAS, STATE OF LOUISIANA, STATE OF MONTANA, STATE OF NEBRASKA, STATE OF OKLAHOMA, STATE OF SOUTH CAROLINA, STATE OF SOUTH DAKOTA and STATE OF TEXAS
Interested Party:	SOCIETY FOR RULE OF LAW INSTITUTE, ALLEGHENY COUNTY, PA, LISA LAWITZKE, Clerk, Bellevue Township, Michigan, BOSTON, MA, BUCKS COUNTY, PA, MICHAEL SIEGRIST, Clerk, Canton Township, Michigan, BRAXTON WHITE, Commissioner, County of Clarion, Pennsylvania, GREG KIMSEY, Auditor, Clark County, Washington, AUBREY SONDEREGGER, Recorder, Coconino County, Arizona, KRISTIN CONNELLY, Clerk-Recorder & Registrar of Voters, Contra Costa County, California, BEAU HARBIN, Legislator, County of Cortland, New York, JUSTIN DOUGLAS, Commissioner, Dauphin County, Pennsylvania, DAWN MARIE SASS, Clerk / Deputy Treasurer, Town of Exeter, Wisconsin, DOMONIQUE CLEMONS, County Clerk & Register of Deeds, Genesee County Clerks Office, Michigan, BARBARA BYRUM, Clerk, Ingham County, Michigan, JULIE WISE, Director of Elections, King County, Washington, CHRIS SWOPE, Clerk, City of Lansing, Michigan, JO ELLEN LITZ, Commissioner, Lebanon County, Pennsylvania, JIMMY SABATINO, Chair, Luzerne County Council, Pennsylvania, KATIE ROSENBERG, County Board Supervisor, Marathon County, Wisconsin, MONTEREY COUNTY, CA, SANTA CLARA COUNTY, CA, KATHERINE M. CLARK, Clerk, Santa Fe County, New Mexico, LISA JO BROWN, County Clerk / Register of Deeds, Oakland County, Michigan, LISA DEELEY, Commissioner, City of Philadelphia, Pennsylvania, RICH COGLIANESE, Board of Elections Member, Union County, Ohio, JILLINE DOBRATZ, Clerk, City of West Bend, Wisconsin, RAPHAEL KALIKSTEIN and FEDERATION FOR AMERICAN IMMIGRATION REFORM
Case Number:	26-1506
Filed:	May 4, 2026
Court:	U.S. Court of Appeals, First Circuit
Nature of Suit:	Voting

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