Chevron U.S.A. Inc. v. Natural Resources Defense Council, Inc. [1984]
467 U.S. 837 (1984) · Supreme Court of the United States · United States
Summary
Central administrative law precedent for agency deference history.
Facts
EPA interpreted the Clean Air Act term stationary source in a permitting rule.
Issue
When should courts defer to an agency's interpretation of an ambiguous statute?
Held
The Court articulated a two-step deference framework; that framework was later overruled by Loper Bright.
Ratio Decidendi
Chevron deference is no longer controlling after Loper Bright but remains historically important.
Reasoning
The Court reasoned that statutory ambiguity can reflect congressional delegation to agencies.
Significance
Central administrative law precedent for agency deference history.
Related Cases
No related cases listed.
Exam Tips
Review the ratio and reasoning before applying this case in problem questions.