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  2. The Constitution of the United States
  3. Article I
  4. Article I, Section 9
  5. Clause 3
The Constitution

Article I, Section 9, Clause 3

No Bill of Attainder or ex post facto Law shall be passed.

Read it in contextConstitution.1.9.36 Federalist side · 4 Anti-Federalists · 3 other writings · 9 Congress · 7 cases

The Federalist and Federalist essays

Anti-Federalist essays

Other writings

Debates in Congress

The Supreme Court

Cases whose essays in the Constitution Annotated cite them under this clause, oldest first. Each link names the pages it comes from.

On Article I, Section 9 as a whole

Links marked “Suggested” were proposed by a machine and await review by a person. How links are made · Map of connections

Enter all results↑ ↓ then Enter to open oneTry “Federalist 51”, “Article I, Section 8”, “Amendment 14”

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