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| Interstate Compacts Clause | |
|---|---|
| Name | Interstate Compacts Clause |
| Caption | United States Capitol |
| Date created | 1787–1789 |
| Location | Philadelphia, Pennsylvania; New York, New York |
| Jurisdiction | United States of America |
Interstate Compacts Clause The Interstate Compacts Clause is a constitutional provision that governs agreements among United States states and between states and other entities. Found in Article I, it establishes the framework for state-to-state arrangements and the role of the United States Congress in approving compacts to preserve the federal structure created by the Constitutional Convention (1787), the Federalist Papers, and early Republic practice. The Clause has been interpreted through litigation involving the Supreme Court of the United States, contested by actors such as state executives, state legislatures, governors, and interstate bodies like the Port Authority of New York and New Jersey.
The Clause appears in Article I, Section 10, Clause 3 of the Constitution and restricts states from entering treaties, alliances, or confederations, while permitting "agreements or compacts" with congressional consent. The framing arises from debates at the Constitutional Convention (1787) and commentary in the Federalist Papers, notably writings associated with James Madison, Alexander Hamilton, and John Jay. Drafting influences included the Articles of Confederation and disputes among states such as the Rhode Island–Massachusetts boundary dispute and interstate navigation issues like those on the Mississippi River.
Early Republic practice saw states create compacts for boundary settlements, canal maintenance, and toll arrangements, involving parties like Thomas Jefferson's Virginia and George Washington's Federalists. The Northwest Ordinance era and litigation under the Chisholm v. Georgia decision shaped federal-state relations. Debates in the First Congress and interpretations by the Marshall Court responded to incidents such as the New York–New Jersey boundary dispute and interstate canal projects involving Erie Canal interests. Over time, compacts developed into mechanisms for regional cooperation on matters ranging from water rights involving the Colorado River Compact to criminal justice systems involving the Interstate Agreement on Detainers.
The Supreme Court of the United States has been central in defining the Clause's scope. In early jurisprudence, the Court under Chief Justice John Marshall addressed federalism issues in decisions like McCulloch v. Maryland (not a compacts case but influential on federal power) and later dealt directly with compacts in cases such as Virginia v. Tennessee, which recognized a broad state power to enter compacts so long as congressional consent is obtained when necessary. The Court's ruling in United States Steel Corp. v. Multistate Tax Commission and the decision in Coyle v. Smith further refined doctrines about state sovereignty and congressional oversight. Contemporary decisions addressing interstate compacts intersect with cases on sovereign immunity such as Seminole Tribe v. Florida and on Article I powers like New York v. United States.
Interstate compacts span categories: boundary and water compacts like the Colorado River Compact and the Apportionment Compact for the Electoral College?; regulatory compacts such as the Multistate Tax Commission agreements and the Nurse Licensure Compact; public authorities like the Port Authority of New York and New Jersey and the Dallas/Fort Worth International Airport joint authority models; and criminal justice compacts including the Interstate Compact for Adult Offender Supervision and the Interstate Agreement on Detainers. Environmental compacts involve entities like the Susquehanna River Basin Commission and the Great Lakes Commission, while transportation compacts include the Port Authority and regional transit compacts involving the Metropolitan Transportation Authority (New York).
The Clause requires congressional consent for compacts that increase state power relative to the United States or affect federal supremacy. Approval mechanisms include legislation passed by the United States Congress or implied consent through congressional action. Historical practice shows formal enabling statutes, such as those authorizing the Interstate Commerce Commission regulatory frameworks, and congressional resolutions approving specific compacts like the Colorado River Compact consent statute. The Recess Appointments Clause and oversight by committees such as the Senate Judiciary Committee can affect compact review. Federal executive branch actors, including the President of the United States and departments like the Department of Justice, have advised or litigated over consent issues.
Litigation about compacts raises separation of powers and federalism disputes involving actors like state governors, state legislatures, and the Supreme Court of the United States. Challenges include whether a compact requires congressional approval, the scope of consent, preemption by federal law as seen in disputes referencing the Commerce Clause, and immunities implicated by cases like Florida Prepaid Postsecondary Education Expense Board v. College Savings Bank. Other contested issues involve the compact's domestic status versus treaty-like obligations, enforcement mechanisms under the Full Faith and Credit Clause and the Supremacy Clause, and when private parties may sue compact commissions under statutes such as the Administrative Procedure Act.
Interstate compacts remain vital tools for managing shared resources, regional planning, and cooperative regulation among states such as California, Texas, New York, and Florida. Modern applications address water allocation in the Colorado River Compact amid climate change, multistate professional licensing like the Nurse Licensure Compact to facilitate workforce mobility, and coordinated criminal supervision through the Interstate Compact for Adult Offender Supervision. The Clause continues to shape interstate collaboration involving institutions like the World Health Organization only indirectly via state-federal coordination, and it features in contemporary scholarship from academics at institutions such as Harvard Law School, Yale Law School, and Columbia Law School.