If something is retroactive, that means it is effective as of a past date. The term retroactive is usually used to describe a law or a pay raise. For example: I was notified of my pay raise in February, but it was retroactive to January 1.
In the US - there is no such thing. They are known as "Ex Post Facto" laws and are forbidden by the Constitution.
Is the mongometry law retroaCTIVE
I think
By prohibiting bills of attainder, the Constitution is prohibiting finding someone guilty without a trial. By prohibiting the making of ex post facto laws, the Constitution is prohibiting the making of retroactive laws (e.g., you do something that is legal, a law is passed making it retroactively illegal, and you get arrested for doing it).
The law is retroactive.
Retroactive usually means that they have backdated it in some way.....
Ex post facto law
This is an example of a retroactive law, which applies a new legal standard to past actions. Retroactive laws can raise ethical concerns about fairness and justice.
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retroactive coverage
According to consolidation theory, retroactive interference should have a greater adverse effect of recently formed memories than older ones.The seizure was made retroactive to the day of the occupation of the territory by the German troops.The United Nations began last year to try to quash Iraq's surcharges by imposing a system of retroactive pricing on Iraqi oil.The Law of 1945 was clearly, it was held, intended to have a retroactive effect in permitting the death sentence.The Commission is currently considering whether to propose retroactive legislation.Prodigy has contended that the CDA should govern this case by retroactive application.List the company into a single slap retroactive taxes retained the tort.