Necessary and Proper Clause — related Supreme Court cases
This page groups Supreme Court cases that involve the constitutional concept “Necessary and Proper Clause”. Use it to explore related decisions and see how the same idea shows up across different cases.
“Necessary and Proper Clause” is:
Congress's implied powers to enact laws needed to carry out its enumerated powers.
Source: Article I Where this concept definition/label comes from (for example, a constitutional provision or a reference framework).
Cases
These are cases where this concept was identified as relevant. Click a case to view its summary, holding, and supporting syllabus excerpts.
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Moore v. United States
20th June 2024
The case involves Congress's authority to attribute income to shareholders, which is an exercise of its implied powers.
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Torres v. Texas Department of Public Safety
29th June 2022
The case discusses Congress's implied powers to enact laws necessary to carry out its enumerated powers, specifically related to raising and supporting armies.
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Siegel v. Fitzgerald
6th June 2022
The Court addressed whether the 2017 Act was a law on the subject of bankruptcies or enacted under the Necessary and Proper Clause.
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Trump v. Mazars USA, LLP
9th July 2020
The case involves assessing whether Congress's issuance of subpoenas for the President's personal information is a necessary and proper exercise of its legislative powers.
