Also known as:intelligible principle · nondelegation doctrine
Written by attorneys · grounded in primary & secondary sources — see below
A constitutional standard requiring Congress to articulate a guiding policy when delegating legislative authority to executive agencies or officers. The standard permits broad discretion in delegation provided the principle allows courts to determine whether the agency has followed the law.
Sources & Authorities· 2 primary sources
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Cases
Hornbooks
How it applies
Common Examples
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Factory Quota Challenge
Congress created the Manufacturing Standards Board and directed it to issue rules advancing modern industry by setting production methods and output quotas. The Board adopted nationwide quotas that applied to a family-owned plant operated by Rivera Manufacturing. Rivera challenged the rules on nondelegation grounds. The court upheld the delegation because the statutory goal supplied an intelligible principle guiding the Board's discretion.
Line Item Cancellation Dispute
Congress passed an energy statute granting tax credits for multiple clean energy projects including small modular nuclear facilities. The President signed the bill then unilaterally canceled the nuclear credits and directed the IRS to disregard them. AtomWave Energy sued to enforce the credits. The court considered whether the statute supplied an intelligible principle guiding the President's discretion.
Clinton v. City of New York524 U.S. 417, 118 S. Ct. 2091, 141 L. Ed. 2d 393 (1998)
Tariff Adjustment Review
Congress authorized the President to adjust import duties on goods to equalize competitive conditions between domestic and foreign producers. The President imposed higher duties on certain chemicals imported by J.W. Hampton Jr. & Co. The company protested that the delegation lacked sufficient guidance. The court sustained the statute because the equalization directive provided an intelligible principle limiting the President's discretion.
J.W. Hampton Jr. & Co. v. United States276 U.S. 394, 48 S.Ct. 348, 72 L.Ed. 624 (1928)
Budget Sequestration Challenge
Congress enacted a deficit reduction statute directing the Comptroller General to calculate automatic spending cuts if targets were missed. The Comptroller implemented sequestration that reduced payments to federal retirees represented by a union. The union sued claiming the delegation was invalid. The court examined whether the statutory targets supplied an intelligible principle guiding the calculations.
Bowsher v. Synar478 U.S. 714 (1986)
Petroleum Code Enforcement
Congress authorized the President to prohibit interstate shipment of petroleum produced in excess of state quotas to stabilize the oil market. Panama Refining Co. shipped oil above the quota and faced enforcement. The company argued the statute conferred unguided power. The court assessed whether the stabilization objective constituted an intelligible principle constraining the prohibition authority.
Panama Refining Co. v. Ryan293 U.S. 388 (1935)
Wildlife Consultation Standing
A federal statute required agencies to consult on actions that might affect endangered species abroad. Defenders of Wildlife sued the Interior Department after funding decisions threatened overseas habitats. The Department argued the plaintiffs lacked standing to challenge the delegation. The court considered whether the statutory consultation directive supplied an intelligible principle that courts could apply to review agency compliance.
Lujan v. Defenders of Wildlife504 U.S. 555 (1992)
Common questions
Frequently Asked
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What is the minimum guidance Congress must provide when delegating authority to an agency?+
Congress must supply an intelligible principle that guides the agency's exercise of discretion and permits courts to determine whether the agency has followed the law. Broad policy statements such as advancing modern industry or protecting the public interest have been held sufficient. The principle prevents Congress from transferring core legislative policy-making power without any standard.
Supporting sources
Does the intelligible principle doctrine require Congress to set detailed or quantitative standards?+
No. The doctrine permits broad or general policy directives rather than specific rules or methodologies. Courts have upheld delegations framed in terms of public interest, fair competition, or environmental protection. The key requirement is that the principle be clear enough to constrain agency discretion and enable judicial review.
Supporting sources
What happens if a statute supplies no intelligible principle at all?+
The delegation violates the nondelegation doctrine and is unconstitutional. Without any guiding standard the agency would be free to make fundamental policy choices on its own, transferring legislative power in violation of separation of powers. Courts have invalidated such delegations when the statute leaves the agency without meaningful boundaries.
Supporting sources
Can procedural requirements such as hearings or reports substitute for an intelligible principle?+
No. Procedural safeguards help ensure agency action remains tied to the statutory goal but do not themselves supply the substantive standard needed to guide policy choices. The statute must still articulate a policy objective that channels the agency's discretion on the merits.
Supporting sources
doctrine
challenge, it held that the…
to which the person or body authorized to [act] is directed to conform." J. W. Hampton, supra, at 409 (emphasis added). The Act before us seeks to create such a
principle
in three ways.…
is Alive and Well in the States, The Reg. Rev. (Oct. 15, 2020). B Much as constitutional rules about retroactive legislation and sovereign immunity have their corollary clear-statement…
Constitutional LawThe separation of powers · The powers of CongressUBEIntermediate