Also known as:dormant commerce clause · negative commerce clause · dormant commerce clause doctrine · DCC
Written by attorneys · grounded in primary & secondary sources — see below
A constitutional doctrine inferred from the Commerce Clause that prohibits states from discriminating against or unduly burdening interstate commerce absent congressional authorization. The doctrine invalidates facially discriminatory state laws unless they serve a legitimate non-economic local interest with no reasonable nondiscriminatory alternatives. Congressional authorization or the market participant doctrine can remove the prohibition.
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Cases
Study Supplements
How it applies
Common Examples
6
Baitfish Import Ban Upheld
State officials in Maine enacted a statute barring the import of live baitfish from out-of-state suppliers to protect local lakes from invasive species. A commercial fisherman from New Hampshire challenged the ban after his shipments were seized at the border. The court upheld the statute because the measure addressed a legitimate ecological concern and no nondiscriminatory alternative achieved the same protection.
Higher Waste Disposal Fees Struck Down
State Gamma charged out-of-state hazardous waste haulers a $50-per-ton surcharge while in-state generators paid only $10 per ton at the same landfill. Drake Logistics, an interstate carrier, refused payment and sued. The court invalidated the differential because origin-based cost increases constitute facial discrimination without congressional approval.
Direct Wine Shipping Restriction Invalidated
State Delta permitted in-state wineries to ship bottles directly to local consumers but required out-of-state wineries to route all sales through in-state wholesalers. Dominion Capital, an out-of-state winery, lost sales after the rule took effect and sued. The court struck down the scheme as economic protectionism not saved by the Twenty-First Amendment.
State Scrap Purchase Preference Upheld
State Epsilon offered residents a premium price for scrap metal delivered to state recycling centers while paying nonresidents the market rate. Dawson Steel, an out-of-state processor, complained that the pricing difference violated the dormant Commerce Clause. The court rejected the claim under the market participant doctrine because the state was buying goods rather than regulating private transactions.
Flow Control Ordinance Sustained
State Zeta required all private haulers to deliver collected waste to a county-owned transfer station rather than to cheaper out-of-state landfills. Diamond Manufacturing challenged the ordinance after its disposal costs rose sharply. The court upheld the measure because the ordinance favored a public facility performing a traditional government function and therefore received lenient review.
Congressionally Authorized Nuclear Surcharge
Congress passed a statute expressly permitting states to impose fees on out-of-state nuclear waste. State Eta then levied a $100-per-ton surcharge solely on such waste. Deanna Davenport, an interstate nuclear transporter, paid under protest and sued. The court dismissed the dormant Commerce Clause claim because the federal statute removed the constitutional objection.
Common questions
Frequently Asked
4
When does congressional authorization shield a state law from dormant Commerce Clause challenge?+
Congress may expressly authorize states to discriminate against interstate commerce in specified ways. Once Congress provides clear permission, the dormant Commerce Clause no longer invalidates the authorized state action. The authorization must be unmistakable and tied to the particular form of discrimination at issue.
Does the market participant doctrine allow a state to favor its own citizens without violating the dormant Commerce Clause?+
Yes. When a state buys or sells goods or services in the market rather than regulating private parties, it may favor residents. The doctrine treats the state as a market actor rather than a regulator, removing the dormant Commerce Clause prohibition.
Why are flow-control ordinances directing waste to public facilities treated more leniently than those favoring private facilities?+
Flow-control measures that favor government-owned facilities performing traditional public functions receive more lenient review. Such favoritism is presumed to reflect legitimate public objectives rather than economic protectionism.
Can a state law that discriminates against out-of-state waste survive dormant Commerce Clause review without congressional authorization?+
No. Discriminatory surcharges or fees on out-of-state waste are presumptively invalid. The state must show both a legitimate local purpose and the absence of reasonable nondiscriminatory alternatives, a standard rarely met for origin-based cost differentials.
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