ex post facto law

(redirected from Ex post facto punishment)
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Related to Ex post facto punishment: Ex post facto law

ex post facto law

n.
A law that retroactively makes criminal an act that was not criminal at the time it was done. In the United States, the passage of such laws is forbidden by the Constitution.
References in periodicals archive ?
Federal Constitution: The Distinction Between a Legitimate Moral Test Imposed Upon Physicians to Protect the Public and an Ex Post Facto Punishment, 3 UNIV.
The appeals court affirmed, finding that North Dakota's sex offender registration statute did not violate the constitutional prohibition against ex post facto punishment.
45) One felon, who had been convicted prior to enactment of the statute, argued that his consequent suspension as an officer of a union was an additional, ex post facto punishment.