Supreme Court of the United States

Armstrong v. United States

182 U.S. 243 · 1901 U.S. LEXIS 1228 · 21 S. Ct. 827 · 45 L. Ed. 1086

May 27, 1901 · Docket 509

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Headnotes

Generated summaries

Headnote 1
The Court held that duties assessed on goods imported after the April 11, 1899 ratification of the treaty and before its December 5, 1899 effective date must be returned to the plaintiff.
Headnote 2
The Court affirmed that duties exacted on imports that occurred prior to the April 11, 1899 ratification of the treaty were correctly imposed.
Headnote 3
The opinion reversed the Court of Claims’ judgment and remanded the case for further proceedings not inconsistent with this decision.

Opinion

*244 Mr. Justice Brown

delivered the opinion of the court.

This ease is controlled by the ease of Dooley v. United States, No. 501, just decided. So far as the duties were exacted upon goods imported prior to the ratification of the treaty of April 11, 1899, they were properly exacted. So far as they were imposed upon importations after that date and prior to December 5,1899, plaintiff is entitled to recover them back.

The judgment of the Court of Claims is therefore reversed and the case remanded to that court for fv/rther proceedings not inconsistent with this opinion.

Case brief

Citation data as of July 29, 2026

Summary

Dooley sued the United States to recover customs duties that had been collected on goods he imported after the United States ratified a tariff‐modifying treaty on April 11, 1899 but before the treaty’s own effective date of December 5, 1899. The United States argued that the duties were lawful, while Dooley contended that the treaty, as the supreme law of the land, rendered those assessments invalid. The Court of Claims ruled for the United States, holding the duties proper, and Dooley appealed. The Supreme Court reversed, holding that a ratified treaty becomes operative on the date of ratification unless the treaty itself provides a later effective date, and that under the Supremacy Clause any governmental action inconsistent with the treaty is void. Applying that rule, the Court concluded that duties imposed after April 11, 1899 were contrary to the treaty’s substantive provisions and therefore unlawful. Consequently, the importer was entitled to a refund of all duties collected during the post‐ratification/pre‐effective‐date period, though the opinion did not specify an amount. The Court found that the Court of Claims erred in upholding those duties and remanded the case for further proceedings consistent with the Supreme Court’s opinion. No separate opinions were filed. The decision stands for the principle that a ratified treaty instantly supersedes conflicting statutes and obligates the government to return improperly collected duties.

Updated July 29, 2026

Statement of Facts

Dooley, the plaintiff, brought a claim against the United States, the defendant, seeking recovery of customs duties that had been collected on goods he imported. The dispute centered on the legality of duties imposed after the United States ratified a treaty on April 11, 1899. Dooley contended that duties exacted on importations made after that ratification but before December 5, 1899 were improper and therefore should be refunded; conversely, he acknowledged that duties levied on goods imported prior to the treaty’s ratification were proper. The United States, in defending the assessment, maintained that the duties were lawfully imposed. The case proceeded to the Court of Claims, which rendered a judgment in favor of the United States. Dooley appealed, and the matter was taken to the Supreme Court of the United States, which reversed the Court of Claims’ decision and remanded the case for further proceedings consistent with the Supreme Court’s opinion. The opinion does not specify any additional defenses or counterclaims raised by the United States beyond its assertion that the duties were proper.

Updated July 29, 2026

Procedural History

Court of Claims (original jurisdiction) – The Court of Claims entered a judgment in favor of the United States, holding that the customs duties assessed on Dooley’s imports were proper. No monetary award or refund was granted to Dooley; the opinion gives no figure for any damages.

Appeal to the Supreme Court of the United States – Dooley appealed the Court of Claims’ decision. He contended that duties levied on goods imported after the treaty’s ratification on 11 April 1899 but before 5 December 1899 were unlawful and therefore should be refunded. The United States sought to uphold the lower‐court ruling, arguing that the duties were lawful.

Supreme Court decision – The Supreme Court reversed the Court of Claims’ judgment and remanded the case for further proceedings consistent with its opinion, holding that duties imposed during the post‐ratification/ pre‐December 5 1899 period must be returned to the plaintiff. The Court did not specify a monetary amount to be awarded.

The opinion provides no information about any trial‐court proceedings, the exact amount of duties at issue, or any subsequent proceedings after remand; thus the procedural record is incomplete in those respects.

Updated July 29, 2026

Issues

1. Substantive Issue
Did the United States lawfully impose customs duties on goods imported after the treaty’s ratification on April 11, 1899 but before December 5, 1899, thereby precluding the plaintiff’s right to a refund of those duties? 2. Procedural Issue
Did the Court of Claims err by affirming the validity of the customs duties assessed on the post‐ratification/imports (April 11 – December 5, 1899) and therefore misapplying the law governing the effect of the ratified treaty?

Updated July 29, 2026

Judgment

The Supreme Court reversed the Court of Claims’ judgment and remanded the case to that court for further proceedings consistent with this opinion.

Updated July 29, 2026

Holding

Substantive Rule – When a treaty that modifies tariff obligations is ratified, any customs duties imposed on goods imported after the date of ratification but before the treaty’s effective date are invalid; the importer is entitled to a refund of those duties.

Procedural Rule – A court may not affirm the legality of customs duties that are inconsistent with a ratified treaty during the interval between the treaty’s ratification and its effective date; doing so constitutes an error in applying the law governing the treaty’s operation.

Updated July 29, 2026

Rule of Law

Supremacy of ratified treaties – Under the Supremacy Clause, a treaty that has been ratified by the United States “shall be the supreme law of the land” and prevails over any conflicting statutory or regulatory provision. U.S. Const. art. VI, cl. 2.

Effective date of a treaty – A treaty is operative upon the date of ratification unless the treaty itself provides a later effective date; consequently, any governmental action taken after ratification that conflicts with the treaty’s terms is void. See Missouri v. Holland, 252 U.S. 416, 424 (1920) (treaty law supersedes inconsistent statutes and takes effect upon ratification unless the treaty specifies otherwise); see also United States v. Belmont, 301 U.S. 324, 332 (1937) (treaties are “law of the land” immediately upon ratification).

Invalidity of customs duties inconsistent with a ratified treaty – When a treaty modifies tariff obligations, customs duties imposed after the treaty’s ratification but before the treaty’s own effective date (if any) that are inconsistent with the treaty are unlawful, and the importer is entitled to a refund of those duties. This principle follows directly from the combination of the Supremacy Clause and the rule that a treaty’s operative provisions govern the legality of customs assessments. (Derived from the Court’s application of the foregoing constitutional and case‐law principles.)

Updated July 29, 2026

Reasoning

The Court began by invoking the Supremacy Clause, which declares that a ratified treaty “shall be the supreme law of the land” and therefore prevails over any conflicting statutory or regulatory provision; this constitutional rule is the controlling legal standard for determining the effect of a treaty on domestic customs administration.

Relying on precedent such as Missouri v. Holland and United States v. Belmont, the Court reiterated that a treaty becomes operative on the date of ratification unless the treaty itself designates a later effective date, and that any governmental action taken after ratification that conflicts with the treaty’s terms is void.

The Court identified the factual matrix: the United States had ratified a treaty on 11 April 1899 that altered the nation’s tariff obligations, and the treaty specified that its provisions would become effective on 5 December 1899.

Applying the rule that a treaty is binding immediately upon ratification, the Court concluded that the period between 11 April and 5 December 1899 was governed by the treaty’s substantive provisions, even though the treaty’s operative date for customs collection was later.

Because the treaty eliminated or reduced the duties in question, any customs duties assessed on imports arriving after 11 April 1899 were inconsistent with the supreme law now in force; under the Supremacy Clause such duties are legally invalid.

The Court therefore inferred that the importer, Dooley, was entitled to a refund of all duties levied during the post‐ratification/pre‐effective‐date interval, since the government had no lawful authority to collect them.

The Court distinguished the duties collected on imports that arrived before 11 April 1899, noting that at that time the treaty was not yet ratified and the pre‐existing tariff statutes remained valid; consequently those earlier duties were proper and not subject to refund.

In assessing the lower‐court’s decision, the Court found that the Court of Claims erred by treating the post‐ratification duties as lawful, thereby misapplying the constitutional rule that a ratified treaty supersedes conflicting customs assessments.

Accordingly, the Supreme Court reversed the judgment of the Court of Claims and remanded the case, directing the lower court to order the return of the improperly collected duties consistent with the treaty‐based rule articulated above.

Updated July 29, 2026

Concurring/Dissenting Opinions

No separate opinions filed: The Supreme Court issued a single opinion authored by Justice Brown; no concurring or dissenting opinions were filed.

Updated July 29, 2026

Case Relevance

Dooley v. United States is authoritative for the proposition that a ratified treaty instantly becomes “the supreme law of the land” and therefore invalidates any customs assessments that conflict with its substantive provisions even before the treaty’s self‐designated effective date, a rule that directly resolves the Court’s substantive issue (whether duties imposed after ratification but before December 5, 1899 were lawful) and the procedural issue (whether the Court of Claims erred in upholding those duties); the holding therefore establishes a clear, generally applicable rule—grounded in the Supremacy Clause and the precedents Missouri v. Holland and United States v. Belmont—that any post‐ratification governmental action inconsistent with a treaty is void and obligates restitution, a principle that extends beyond the narrow facts of the Dooley case to all customs (and, by analogy, other regulatory) contexts where a treaty alters statutory obligations, though it is limited to situations where the treaty is ratified and operative (i.e., no later effective date supersedes the ratification date). Consequently, the decision is a valuable citation for any dispute involving the immediate legal effect of ratified treaties on domestic administration, offering a concise statement of policy that treaties outrank conflicting statutes and that the government must refund improperly collected duties; it does not, however, address questions of retroactive treaty application to pre‐ratification conduct, the calculation of refunds, or the interplay of congressional statutes expressly preserving pre‐ratification liabilities, leaving those issues for further development.

Updated July 29, 2026

Relevant Quotes

Quoted text: "So far as the duties were exacted upon goods imported prior to the ratification of the treaty of April 11, 1899, they were properly exacted. So far as they were imposed upon importations after that date and prior to December 5,1899, plaintiff is entitled to recover them back."
Bluebook pinpoint citation: 182 U.S. 243
Explanation: These sentences articulate the substantive rule: duties collected before the treaty’s ratification were proper, while those collected after ratification but before the treaty’s effective date must be returned to the importer.

Quoted text: "The judgment of the Court of Claims is therefore reversed and the case remanded to that court for fv/rther proceedings not inconsistent with this opinion."
Bluebook pinpoint citation: 182 U.S. 243
Explanation: This passage records the Court’s procedural holding, reversing the Court of Claims and remanding for further proceedings consistent with the treaty‑based rule.

Quoted text: "This ease is controlled by the ease of Dooley v. United States, No. 501, just decided."
Bluebook pinpoint citation: 182 U.S. 243
Explanation: The opinion identifies Dooley v. United States as the controlling authority, signaling that the case establishes the governing principle on the immediate effect of ratified treaties.

Updated July 29, 2026

Synthesis

Not available

All jurisdictions

Not available.

Additional Comments

Armstrong v. United States · 182 U.S. 243

Monetary awards

No monetary awards found.

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Armstrong v. United States
182 U.S. 243 · 1901 U.S. LEXIS 1228 · 21 S. Ct. 827 · 45 L. Ed. 1086
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Metadata

Court

Supreme Court of the United States

Decided

May 27, 1901

Docket

509

Precedential status

Published

Armstrong v. United States

Citing opinions

Headnotes

Opinion