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Ex post facto

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Revision as of 17:02, December 30, 2022 by DeRien (talk | contribs) (→‎Types of cases)
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Ex post facto laws are twice explicitly forbidden under the U.S. Constitution.

Article I, § 9 forbids the federal government from passing ex post facto laws.

Article I, § 10, forbids States from passing ex post facto laws.

Types of cases

Currently, SCOTUS has interpreted ex post facto laws as applicable to criminal cases but not civil proceedings (Calder v. Bull (1798)).