Contract Clause

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The Contract Clause is a provision in the U.S. Constitution that restricts states from passing laws that impair the obligation of existing contracts.

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Observed surface forms (1)

Surface form Occurrences
Obligation of Contracts Clause 1

Statements (48)

Predicate Object
instanceOf clause of the United States Constitution
constitutional provision
affects state legislative power
alsoKnownAs Contract Clause
surface form: Obligation of Contracts Clause
appliesTo U.S. states
private contracts
public contracts
bindingOn all U.S. states
category U.S. constitutional clauses
citation Article I, Section 10 of the United States Constitution
surface form: U.S. Const. art. I, § 10, cl. 1
concerns retroactive alteration of contractual obligations
constitutionalLevel federal constitutional law
doesNotProtect mere future expectations of contracts not yet formed
enforcedBy federal courts
foundInText Article I, Section 10 of the United States Constitution
surface form: Article I, Section 10, Clause 1 of the United States Constitution
hasKeyCase Allied Structural Steel Co. v. Spannaus
Dartmouth College v. Woodward
Energy Reserves Group, Inc. v. Kansas Power & Light Co.
Fletcher v. Peck
Home Building & Loan Association v. Blaisdell
United States Trust Co. v. New Jersey
historicalContext adopted in response to state debtor-relief laws under the Articles of Confederation
interpretedBy Supreme Court of the United States
jurisdiction United States of America
surface form: United States
languageSource United States Constitution
legalDomain constitutional law
contract law
state-federal relations
limits state governments
modernInterpretation allows some state impairment of contracts if reasonable and necessary to serve an important public purpose
notAppliesTo federal government
originalFocus protection of private contract rights against state interference
originPeriod American Revolutionary era
surface form: Founding Era of the United States
partOf Article I of the United States Constitution
Article I, Section 10 of the United States Constitution
prohibits state laws impairing the obligation of contracts
state laws that impair existing contractual obligations
state laws that interfere with private contracts retroactively
protects contractual expectations existing at the time of the contract
obligation of contracts
purpose to protect the stability and enforceability of contracts
to restrict state interference with private agreements
relatedTo Due Process Clause
Ex Post Facto Clause
Fifth Amendment to the United States Constitution
surface form: Takings Clause
scope state legislation and state governmental action
testInModernLaw substantial impairment and reasonableness/necessity analysis
text "No State shall ... pass any ... Law impairing the Obligation of Contracts"

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Contract Clause alsoKnownAs Contract Clause
this entity surface form: Obligation of Contracts Clause
John Marshall Court constitutionalFocus Contract Clause