Also known as: necessary and proper clause · Elastic Clause · Sweeping Clause
Written by attorneys · grounded in primary & secondary sources — see below
A constitutional provision authorizing Congress to enact laws that are convenient or useful for carrying into execution its enumerated powers. The clause supplies auxiliary authority to select appropriate means for implementing specifically granted powers rather than creating an independent source of substantive legislative authority.
Congress created the Federal Digital Infrastructure Agency and authorized it to charter National CloudCorp to process federal tax filings and interstate e-commerce records. A state tax commission challenged the charter as exceeding enumerated powers. The court upheld the statute because chartering the corporation supplied a convenient instrument for executing the taxing and commerce powers.
Congress extended federal wage and hour standards to employees of the San Antonio Metropolitan Transit Authority. The authority argued that the extension invaded traditional state functions. The court sustained the statute as a valid means of regulating interstate commerce through the Necessary and Proper Clause.
Select any source to read its text and confirm it supports the definition.
Congress required the Heart of Atlanta Motel to serve interstate travelers without racial discrimination. The motel owner claimed the requirement exceeded federal authority over local operations. The court upheld the statute because prohibiting discrimination in public accommodations constituted an appropriate means to regulate interstate commerce.
A state university adopted a policy restricting commercial speech by outside vendors on campus. Student groups challenged the policy as insufficiently tailored. The court applied intermediate scrutiny and sustained the restrictions as a reasonable means of advancing the university's educational mission.
The City of New London condemned private homes to assemble land for a private development project expected to increase tax revenue. Property owners argued the takings violated the public-use requirement. The court upheld the condemnations because economic redevelopment served a public purpose.
Congress required individuals to purchase health insurance or pay a penalty to stabilize insurance markets. Challengers contended the mandate exceeded the commerce power. The court rejected the commerce and Necessary and Proper Clause justifications but upheld the penalty as a valid exercise of the taxing power.
No. The clause is auxiliary and permits Congress to select appropriate means for executing enumerated powers. It does not authorize legislation untethered to a specific constitutional grant.
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A means is permissible if it is plainly adapted to a legitimate end within an enumerated power, is not prohibited by the Constitution, and is consistent with its letter and spirit.
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Yes, when the corporation serves as a convenient instrument for executing enumerated powers such as taxing, borrowing, or regulating commerce. The clause does not permit chartering corporations for unrelated ends.
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Yes. States may not impose discriminatory burdens on federal instrumentalities created under the clause because such exactions would impair the execution of enumerated federal powers.
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The clause allows Congress to adopt means that facilitate regulation of interstate commerce, including chartering entities or imposing conditions that advance national regulatory schemes, provided the underlying activity falls within the commerce power.
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…It is rather a grant of power, the scope of which is quite expansive, particularly in view of the enlargement of power by the Necessary and Proper Clause. M Culloch v. Maryland , 4 Wheat. 316, 420 (1819). Congress has power to regulate Presidential elections and primaries, United States v. Classic , 313 U. S. 299 (1941); Burroughs v.…