November 24, 2025: Letter to US Senator Kelly from Legislative Republicans
November 7, 2025: Doe v. Sheridan Order
November 1, 2025: Committee Analysis Report for the Joint Legislative Ad Hoc Committee on Family Court Orders
October 20, 2025: President Petersen Letter to US Election Assistance Commission
October 13, 2025: Prop. 314 Case Update
October 6, 2025: Federal Court Grants Stay in Case Challenging Arizona's Save Women's Sports Act
October 3, 2025: Arizona Legislature Joins 26 States in Amicus Brief Supporting Trump Administration on Biological Sex Policy for Passports
September 23, 2025: Amicus Brief RNC v. Fontes
September 22, 2025: Mi Familia Vota v. Petersen Case Update
September 19, 2025: Amicus Brief from Senate President Petersen to Protect Women's Sports in Support of West Virginia
September 19, 2025: Amicus Brief from Senate President Petersen to Protect Women's Sports in Support of Idaho
September 10, 2025: Letter from President Petersen, Speaker Montenegro to Secretary Noem
September 3, 2025: Senator Bolick Refers Ethics Complaint to U.S. Attorney's Office
September 2, 2025: Senator Jake Hoffman Files Ethics Complaint Against Senator Ortiz
August 29, 2025: Arizona Legislature 2025 EPM Public Comments
August 25, 2025: President Petersen, Speaker Montenegro Amicus Brief in Heap v. Galvin
August 12, 2025: President Petersen's Letter to FCC requesting investigation into Arizona PBS
July 22, 2025: Wyoming Proof of Citizenship- Litigation Dismissed
June 27, 2025: Equality State Policy Center v. Gray- Brief
June 3, 2025: Letter from Senator Payne, Representative Nguyen to ADCRR Director Thronell
June 3, 2025: Letters of Support - SB 1658
May 14, 2025: Land Grab Update - Arizona Legislature v. Joe Biden
May 5, 2025: Amicus Brief for Free Speech Coalition v. Paxton
May 5, 2025: Settlement Order- Lawsuit Against State of California for Electric Vehicle Rule
April 30, 2025: Senate President Petersen Leads Coalition of States Defending Voter ID Requirements to Strengthen Election Integrity
April 21, 2025: Letter from Senator Kevin Payne to ADCRR Director Ryan Thornell on Inmate Murders
April 8, 2025: Mi Familia Vota Case- Motion for Indicative Ruling on Motion for Relief from Final Judgment
April 7, 2025: Arizona State Legislature v. Nuclear Regulatory Commission
April 6, 2025: Letter from President Petersen to U.S. Assistant Attorney General Requesting DOJ Report on Phoenix Police Department to be Rescinded
April 1, 2025: Letter from University of Arizona to President Petersen on DEI Programs
March 28, 2025: Letter from Senator Werner to AG Mayes on Group Home Investigation
March 27, 2025: Letter from President Petersen to U.S. Education Secretary Linda McMahon
March 10, 2025: Home Builders Association of Central Arizona vs. Arizona Department of Water Resources
March 5, 2025: Save Women's Sports Act Litigation- Motion to Exclude Expert Testimony and Reports of Dr. Daniel Shumer
February 26, 2025: Amicus Brief in support of Missouri's fight to protect 2nd amendment rights
February 25, 2025: Amicus Brief in support of President Trump's Executive Order to Protect Children from Chemical and Surgical Mutilation
February 17, 2025: Amicus Brief in support of Anderson’s lawsuit against ASU
February 10, 2025: Letter to Arizona's Public University Presidents on Complying with Trump Executive Order Regarding DEI
February 7, 2025: Letter to U.S. Secretary of Interior from President Petersen on Biden's Land Grab
February 3, 2025 Potential Water Savings Under Ag-to-Urban Program
January 30, 2025 Petersen Letter: Repeal of California's Radical Environmental Rules
January 30, 2025 Petersen Letter: Congressional Disapproval of Radical California Environmental Rules
January 6, 2025 Petersen v. Doe Reply Brief with SCOTUS
December 20, 2024 Arizona State Board of Chiropractic Examiners Report
December 19, 2024 Warren Petersen v. Adrian Fontes: Under Advisement Ruling Pertaining to EPM Lawsuit
December 18, 2024 Resolution - Finding that the 25% Groundwater Offset Required by the ADWR Alternative Path to Designation of Assured Water Supply Rule is Illegal
November 21, 2024 Amicus Brief in Support of Save Women's Sports Act from Family Policy Organizations
November 21, 2024 Amicus Brief in Support of Save Women's Sports Act from President of Spring Arbor University
November 21, 2024 Amicus Brief in Support of Save Women's Sports Act from Female Lawmakers
November 21, 2024 Amicus Brief in Support of Save Women's Sports Act from Five Female Olympians
November 21, 2024 Amicus Brief in Support of Save Women's Sports Act from 24 States
November 14, 2024 57th Legislature Committee Assignments & Schedule for Senate
October 30, 2024 Senator Wadsack letter to Pima County Recorder's Office Regarding Potential Election Violations
October 23, 2024 Amicus Brief for FCC v. Consumers' Research
October 17, 2024 Petition to SCOTUS Regarding Block on Save Women's- Sports Act
October 16, 2024 Opening Brief for Lawsuit Against EPA
September 19, 2024 Senator Hoffman Submits Records Request to Citizens Clean Elections Commission Regarding Communications Pertaining to 2024 U.S. Senate General Election Debate
September 18, 2024 President Petersen and Speaker Toma Response to Special Action Petition Regarding Administrative Error Affecting Arizona Voters
September 12, 2024 Clean Elections Commission Executive Director Response to Senator Hoffman on General Election Debate Rule Change
September 10, 2024 Senator Kavanagh Request for 1487 Investigation to AG Kris Mayes Regarding Surprise City Council Policy
September 5, 2024 Senator Hoffman Letter to Clean Elections Commission
August 23, 2024 Owen Anderson v. Arizona Board of Regents: Amicus Brief from Senate President Warren Petersen & House Speaker Ben Toma
August 15, 2024 Proof of Citizenship to Vote Case- Republican National Committee v. Mi Familia Vota: Multi-State Amicus Brief Filed with SCOTUS
August 13, 2024 Living United for Change in Arizona v. Adrian Fontes and Ben Toma
August 12, 2024 Arizona State Senate v. Katie Hobbs: Stipulation to the Entry of Final Judgement
August 9, 2024 Mercy Care, BCBS of Arizona Health Choice, Banner-University Family Care v. AHCCCS Administration: Administrative Law Judge Decision
August 8, 2024 Republican National Committee v. Mi Familia Vota: Emergency Application for Stay with U.S. Supreme Court
August 2, 2024 Progress Arizona v. State of Arizona: Under Advisement Ruling
August 1, 2024 Mi Familia Vota v. Fontes: Order Vacating Stay
July 18, 2024 Mi Familia Vota v. Fontes: Stay Order & Scheduling Notice
July 12, 2024 Secure the Border Act (HCR 2060): Order Denying Applications for Preliminary Injunction and Declaratory Judgement Relief
June 27, 2024 Attorney General Kris Mayes Notice of Voluntary Dismissal in Opioid Fund Lawsuit Against Legislature, ADOA and Governor Hobbs
June 26, 2024 President Petersen, Speaker Toma Response to Motions for Preliminary Injunction Regarding HCR2060 Single Subject Rule
June 24, 2024 Minute Entry on Prevailing Wage Ordinance Case- Associated Minority Contractors v. City of Phoenix
June 21, 2024 President Petersen, Speaker Toma Motion for Stay Pending Appeal Regarding Save the Women's Sports Act
June 7, 2024 County Attorney Mitchell's Response to Senator Shope's Request for Investigation into Gov. Hobbs' Pay-to-Play Scheme
June 7, 2024 AG Mayes Response to Senator Shope's Request for Investigation into Gov. Hobbs' Pay-to-Play Scheme
June 5, 2024 Senator Shope Letter to DCS Regarding Sunshine Residential Homes
June 5, 2024 Declaratory Judgement in Fake Directors Case- Arizona State Senate v. Katie Hobbs
May 13, 2024 Arizona Legislature Joins 16 States in Lawsuit to Block California's Advanced Clean Fleets Rule
April 15, 2024 Amicus Brief filed in Prevailing Wage Ordinance Case- Associated Minority Contractors v. City of Phoenix
April 9, 2024 Order for Granting Stipulation nd Joint Motion for Stay of Proceedings Regarding Arizona Abortion Law
March 25, 2024 Petition for Review v. Environmental Protection Agency for Exceeding Statutory Authority with Dangerous New Air Quality Rule
March 20, 2024 Arizona Senate Litigation Highlights
March 4, 2024 Amicus Brief Regarding Ruling on Oregon Homeless Camping Bans
March 4, 2024 Trump, Petitioner v. Norma Anderson v. Norma Anderson, ET AL. On Write of Certiorari to the Supreme Court
February 15, 2024 Petersen and Toma v. Fontes - Plaintiffs' Motion to Change Judge for Cause
February 12, 2024 Sen. Kerr Letter Requesting the Arizona Department of Water Resources to Withdraw AMA Proposal
February 12, 2024 Complaint Against Biden Administration’s Interpretation of the Antiquities Act
January 31, 2024 Petersen v. Fontes- Verified Special Action Complaint for Declaratory and Injunctive Relief
January 31, 2024 Petersen v. Fontes- Plaintiff's Motion for Preliminary Injunction
January 29, 2024 Letter from U.S. Senator Kyrsten Sinema in Support of President Petersen's Efforts to Challenge Federal Tax Collections on Arizona Families Tax Rebate
January 29, 2024 Letter Supporting Texas' Efforts to Secure the Border
January 25, 2024 Letter from President Petersen to IRS Commissioner Danny Werfel on Arizona Families Tax Rebate
January 18, 2024 Amicus Brief Regarding Oregon's Adoption Requirements on LGBTQ Ideology
January 18, 2024 Merit-Stage Amicus Brief on Insurrection Clause Challenge
January 16, 2024 Amicus Brief in Support of the National Rifle Association's Freedom of Speech Lawsuit Against New York
January 8, 2024 Application for Order to Show Cause or, Alternatively, For Expedited Hearing Regarding Hobbs' Refusal on Director Nominations
January 5, 2024 Cert-Stage Amicus Brief on Insurrection Clause Challenge
December 29, 2023 Amicus Brief Regarding California’s Assault Weapon Control Act
December 28, 2023 Contractor Vaccine Mandate Ruling
December 19, 2023 Special Action Complaint Against Governor Hobbs Regarding State Agency Directors
November 6, 2023 Amicus Brief of President Petersen and Speaker Toma in Utah Land Case
November 1, 2023 Letter to ADOR Regarding Families Tax Rebate
October 26, 2023 Letter to Secretary of Education Demanding GCU's Nonprofit Status Be Recognized
October 13, 2023 Senator Kerr's Letter Regarding Governor's Water Council Withdrawal
October 3, 2023 Senator Shope's Letter to Governor Regarding the SCIP
September 25, 2023 Senator Borrelli's Letter Regarding Bingo Devices for Veterans
September 20, 2023 City of Grants Pass v Johnson Brief of Amici Curiae
September 8, 2023 Appellants Opening Brief and Addendum Regarding Save Women's Sports Act
August 30, 2023 Letter Calling for Investigation into ASU Athletic Department Leadership
August 14, 2023 Public Comments on Draft 2023 Elections Procedure Manual
August 11, 2023 Letter to Gov. Hobbs Regarding U.S. Climate Alliance Announcement
August 1, 2023 Intervenors Emergency Motion for Stay Pending Appeal Regarding Save Women's Sports Act
July 24, 2023 Motion for Stay Pending Appeal and Request for Administrative Stay Regarding Save Women's Sports Act Decision
July 21, 2023 Notice of Appeal Regarding Save Women's Sports Act Decision
July 20, 2023 Letter to ASU President Dr. Michael Crow from Senator Anthony Kern
July 18, 2023 Letter to Barrett Honors College dean, Tara Williams, from Senator Kern