U.S. Constitution · Article I, Section 10, Clause 3
Tonnage Clause; Compact Clause
Alerts when a new grade, SI Solution or Think Tank idea cites Art. I, § 10, cl. 3.
Also known as: Tonnage Clause · Compact Clause
Live in the VFA record
Cited in 1 Constitution Index grade this month.
6 public items cite this provision · 1 in October 2026 (last month: 0)
Citations per week, last 12 weeks
The text
No State shall, without the Consent of Congress, lay any Duty of Tonnage, keep Troops, or Ships of War in time of Peace, enter into any Agreement or Compact with another State, or with a foreign Power, or engage in War, unless actually invaded, or in such imminent Danger as will not admit of delay.
National Archives transcription (public domain; original spelling and capitalization). archives.gov
SI explainer
An explainer for this provision is in the queue. It appears here once it passes the SI Editorial Standard’s automated checks. The text, founding-era sources and live citations below are complete.
Cited in the VFA record
“Where this provision is cited”
grades (1)
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S. 1071: National Defense Authorization Act for Fiscal Year 2026
2026-10-08 · Grade A (Constitutional)
roll-call votes (5)
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Senate roll call 648 (2025): On the Motion to Concur in the House Amendment on S. 1071
2025-12-17 · Motion Agreed to · official record
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Senate roll call 647 (2025): On the Cloture Motion on S. 1071
2025-12-15 · Cloture Motion Agreed to · official record
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Senate roll call 646 (2025): On the Motion to Proceed on S. 1071
2025-12-11 · Motion to Proceed Agreed to · official record
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House roll call 319 (2025): On Motion to Commit on S 1071
2025-12-10 · Failed · official record
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House roll call 320 (2025): On Passage on S 1071
2025-12-10 · Passed · official record
Roll-call votes are listed when the measure voted on has a current Constitution Index grade citing this provision. Counts include only published items.
Cite this page
Values for America Constitution Explorer, https://www.valuesforamerica.com/constitution (text: National Archives transcription, public domain), Article I, Section 10, Clause 3, https://www.valuesforamerica.com/constitution/article-1/section-10/clause-3
Data: this provision as JSON.