Rena Steinzor's April 30, 2009, testimony before the House Science and Technology Committee's Subcommittee on Investigations and Oversight on clean science and regulatory issues.

Letter from several CPR Member Scholars to White House Counsel re three ongoing violations of presidential executive orders by the White House Office of Information and Regulatory Affairs: 1) continuing review of agency guidance documents; 2) exceeding deadlines for completing reviews; 3) failing to disclose "before and after" documents allowing public scrutiny of OIRA revisions to rules

Robert Glicksman's February 28, 2013, testimony before the House Judiciary Committee's Subcommittee on Regulatory Reform, Commercial, and Antitrust Law, on regulatory policy and Congressional bills affecting it.

Letter from Robert Verchick and James Goodwin to the House Judiciary Committee Subcommittee on Regulatory Reform, Commercial and Antitrust Law re the Office of Information and Regulatory Affairs

Noah M. Sachs' July 15, 2015, testimony before the House Judiciary Committee on the Office of Information and Regulatory Affairs.

Letter from Robert Verchick and James Goodwin to Senate Homeland Security Subcommittee on Regulatory Affairs and Federal Management re the Office of Information and Regulatory Affairs

Sidney Shapiro's September 16, 2015 testimony, before the U.S. Senate Committee on Homeland Security and Government Affairs on various regulatory reform bills.

Robert R.M. Verchick's December 9, 2015 testimony before the Senate Budget Committee on 'regulatory budgeting' proposals

Robert R.M. Verchick, Thomas McGarity and Sidney Shapiro's December 18, 2015 letter to House leadership re the SCRUB Act of 2015.

William Buzbee's November 3, 2015 testimony before the U.S. House Judiciary Committee Subcommittee on Regulatory Reform, Commercial and Antitrust Law on regulatory reform.

The Center for Progressive Reform joined dozens of other organizations in a letter to the White House Office of Management and Budget, urging it and the Biden administration to get to work on making good on its goals to modernize, improve, and reform the current regulatory review process. That process often results in weaker standards and safeguards than are needed to protect all people and our environment.

On March 2, 2022, Senior Policy Analyst James Goodwin submitted written testimony to the U.S. House Small Business Committee. His testimony examined the activities and claims of the Small Business Administration's Office of Advocacy and some repeatedly debunked research it sponsored. He also refuted several misleading and false claims about the impact of regulations on small businesses.