National Trust for Historic Preservation v. National Park Service (White House Ballroom Challenge) – Protecting the Rule of Law and Separation of Powers by Urging the D.C. Circuit to Apply the Correct Standard for Claims that the Government is Acting Without Legal Authority

On July 31, 2025, the White House announced in a press release that it plans to build a ballroom funded by private donations at the site where the East Wing of the White House used to stand. The National Trust for Historic Preservation in the United States, a nonprofit whose mission is to preserve and protect historic resources in Washington, D.C., sued and moved for a preliminary injunction to stop the ballroom project. It alleges, among other things, that the proposed White House ballroom project is “ultra vires” (in excess of) the President and Executive Branch officials’ authority under the relevant statutes. The district court granted the Trust’s motion for a preliminary injunction, holding that it established a likelihood of success on the merits of its ultra vires claim.

The government appealed the district court’s decision to the U.S. Court of Appeals for the D.C. Circuit. Among their arguments, the government contends that the Trust cannot satisfy the demanding standard—a “Hail Mary pass”—that they argue applies to the Trust’s ultra vires claim. According to the government, the Trust must show that the proposed ballroom project is contrary to a specific prohibition in a statute, rather than simply showing that the project is unauthorized by the relevant statutes.

On May 28, 2026, we filed an amicus brief in support of the Trust to refute the government’s argument that such a demanding standard applies to ultra vires claims. Under the default standard applicable in most cases, including this one, a plaintiff bringing an ultra vires claim is not required to show that a government official’s action was contrary to a specific prohibition in a statute. Instead, the plaintiff only needs to show that the official’s action was unauthorized by law. This default standard is over a century old and well-established in the Supreme Court’s precedents and supported by the D.C. Circuit’s precedents. By contrast, the demanding standard the government proposes for ultra vires claims should apply only where Congress has limited judicial review. Because there is no statutory limitation on judicial review of Plaintiff’s challenge to the proposed ballroom, the ordinary, default standard—rather than the heightened standard proposed by the government—applies.

The standard courts apply to ultra vires claims is important because it can determine whether the party challenging unlawful executive action will win or lose its claim. Under the government’s position, any time a party alleges that a government official is acting without legal authority and there is no private right of action in a statute, the party would need to satisfy the heightened “Hail Mary” standard, making it highly unlikely it will win. Such a rule would undermine rule of law and separation of powers principles and improperly hamper courts’ ability to review executive action for compliance with federal law. We therefore urged the D.C. Circuit in our amicus brief to reject the government’s sweeping position and apply the ordinary, default standard to the Trust’s ultra vires claim.

The D.C. Circuit is scheduled to hear oral argument in this case on June 5, 2026.