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Definition of Ex post facto

Babylon English

subsequently, retrospectively, after the fact
Ex post facto Definition from Arts & Humanities Dictionaries & Glossaries
JM Latin-English Dictionary
After the fact, or Retrospectively
Ex post facto Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)

Alt. of Ex postfacto
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

ex post facto
\ex" post` fac"to\, or ex postfacto \ex" post`fac"to\ (&ebreve;ks" pōst" făk"t&osl;) ]. [l., from what is done afterwards.] (law) from or by an after act, or thing done afterward; in consequence of a subsequent act; retrospective.
ex post facto
law, a law which operates by after enactment. the phrase is popularly applied to any law, civil or criminal, which is enacted with a retrospective effect, and with intention to produce that effect; but in its true application, as employed in american law, it relates only to crimes, and signifies a law which retroacts, by way of criminal punishment, upon that which was not a crime before its passage, or which raises the grade of an offense, or renders an act punishable in a more severe manner that it was when committed. ex post facto laws are held to be contrary to the fundamental principles of a free government, and the states are prohibited from passing such laws by the constitution of the united states.
ex post facto
adj : affecting things past; "retroactive tax increase"; "an ex-post-facto law"; "retro pay" [syn: retroactive, retro]

made effective as of a date prior to enactment, promulgation, or imposition,of a law which dates back to a period before its enactment -- ex post facto tax--
WordNet 2.0

1. affecting things past; "retroactive tax increase"; "an ex-post-facto law"; "retro pay"
(synonym) retroactive, retro
(similar) retrospective
Ex post facto Definition from Business & Finance Dictionaries & Glossaries
BASSAM Trade, Real Estate, Mortgage, Fund,Invest, Insurance,& Tax,Terms/abbreviations/defin.
Latin for "After the Fact".
Ex post facto Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
An ex post facto law (Latin for "from after the action" or "after the facts") is a law that retroactively changes the legal consequences (or status) of actions that were committed, or relationships that existed, before the enactment of the law. In criminal law, it may criminalize actions that were legal when committed; it may aggravate a crime by bringing it into a more severe category than it was in when it was committed; it may change the punishment prescribed for a crime, as by adding new penalties or extending sentences; or it may alter the rules of evidence in order to make conviction for a crime likelier than it would have been when the deed was committed. Conversely, a form of ex post facto law commonly called an amnesty law may decriminalize certain acts. A pardon has a similar effect, in a specific case instead of a class of cases. Other legal changes may alleviate possible punishments (for example by replacing the death sentence with lifelong imprisonment) retroactively. Such legal changes are also known by the Latin term in mitius.

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Ex post facto Definition from Law Dictionaries & Glossaries
The 'Lectric Law Library
Term used to designate action taken to change the effect given to a set of circumstances. This action relates back to a prior time and places this new effect upon the same set of circumstances existing at that time. Ex post facto laws are prohibited by the U.S. Constitution.

Not every change in a convicted person's situation violates the Ex Post Facto Clause. A law implicates the Ex Post Facto Clause only if it criminalizes conduct that was not a crime when it was committed, increases the punishment for a crime beyond what it was at the time the act was committed, or deprives a person of a defense available at the time the act was committed. Collins v. Youngblood, 497 U.S. 37, 42-43 (1990). Courts have held that legislation may lawfully impose new requirements on convicted persons if the statute's 'overall design and effect' indicates a 'non-punitive intent.' United States v. Huss, 7 F.3d 1444, 1447 (9th Cir.'93).
Courtesy of the 'Lectric Law Library. Legal Dictionary
Latin: after the fact. - (read more on Ex post facto)
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HMCS Legal Terms
By a subsequent act
Something that occurs after the event but having a retrospective effect
By Her Majesty's Courts Service. Published under Crown Copyright.