MBE Rules · Constitutional Law

Major Questions Doctrine

West Virginia v. EPA

The rule

Agencies asserting powers of vast economic and political significance require clear congressional authorization; ambiguous or incidental statutory text will not sustain transformative regulatory claims.

In plain English

The Major Questions Doctrine holds that when federal agencies attempt to regulate issues of significant economic or political importance, they must have explicit permission from Congress. Vague or unclear laws cannot be used to justify major regulatory actions.

Worked example

The Environmental Protection Agency (EPA) attempts to implement a new regulation that drastically limits carbon emissions from all industries, claiming it is necessary to combat climate change. However, the statute they rely on only vaguely mentions the EPA's authority to regulate air quality. The court finds that the EPA lacks clear congressional authorization for such a transformative regulation.

Memory hook

No major moves without a major mandate from Congress!

The trap

Exams may present scenarios where agencies claim broad powers based on ambiguous statutes, leading students to overlook the necessity for clear congressional authorization. Students might confuse regulatory authority with general agency discretion.

How examiners test it

Questions often involve a federal agency's attempt to implement significant regulations, testing whether the agency has clear statutory authority under the Major Questions Doctrine.

Drill this rule until it can't fail you.

Vrenberg generates unlimited questions on this exact rule, tracks your mastery of it, and brings it back until it sticks.