Major Questions Doctrine

Agencies act only with the authority Congress gives them. What happens when the Supreme Court decides that an agency's claim of power is simply too big?

In this TalksOnLaw Brief, Lisa Heinzerling, the Justice William J. Brennan, Jr., Professor of Law at Georgetown University Law Center, explains the major questions doctrine: where it came from, how the Court applied it in West Virginia v. EPA, and why its demand for clarity is so hard to pin down.

From Passing Argument to Doctrine

Professor Heinzerling explains that the idea had been in the air for about 25 years. In cases beginning in the 1990s, most notably the FDA's attempt to regulate tobacco in FDA v. Brown & Williamson Tobacco Corp., the Court pointed to the economic and political significance of the question and suggested that Congress would have spoken clearly if it had wanted to give the agency that power. For a long time, she says, that was nothing like a doctrine, just one more argument for a particular reading of a statute.

That changed with West Virginia v. EPA and, arguably, the Court's earlier rulings against agency COVID-19 measures. In her account, the major questions idea has been elevated into a clear statement principle. The Court first asks whether a question is one of economic and political significance. If it is, the Court does not carry out its usual analysis of a statute's language, history, and structure. It looks for extreme clarity, and if the statute is not clear, the government loses. As she points out, it is not itself clear how much clarity is required.

Applying It in West Virginia v. EPA

The case concerned the EPA's approach to reducing emissions from power plants, which looked in part to shifting electricity generation from coal to other sources. The Court decided this was a major question, relying on what Professor Heinzerling describes as a complicated test of at least six factors, including economic and political significance, the age of the statute, whether the agency had acted this way before, and whether Congress had declined to pass legislation on the subject.

The statute directs the EPA to identify the “best system of emission reduction.” Chief Justice Roberts found the word “system” too open-ended to clearly authorize the agency's approach, in her view by abstracting the word from its statutory context. And under the doctrine, she adds, whether the EPA's plan was effective or needed is irrelevant if the question is major and the statute unclear.

What to Know Now

The major questions doctrine has become a fixture of administrative law. In Biden v. Nebraska (2023), the Court relied on it to strike down the federal student loan forgiveness program. In Loper Bright Enterprises v. Raimondo (2024), the Court overruled Chevron deference, so courts now decide the best reading of a statute themselves rather than deferring to an agency's reasonable interpretation. The doctrine has also reached presidential action: in Learning Resources, Inc. v. Trump (2026), the Court held 6-3 that the International Emergency Economic Powers Act does not authorize the President to impose tariffs. Chief Justice Roberts invoked the major questions doctrine in a part of his opinion joined by two other justices, Justices Gorsuch and Barrett wrote competing concurrences on its basis and scope, and Justice Kagan concluded that ordinary statutory interpretation was enough. Supporters see the doctrine as protecting Congress's lawmaking role; critics argue it gives judges wide room to decide which questions are major and how much clarity is enough. Its contours remain open to debate.