The phrase "with retroactive effect" is correct and usable in written English.
You can use it to refer to a law or policy that applies to events that happened before the law or policy was made. For example: The new overtime policy will be effective immediately, with retroactive effect to all hours worked in the past month.
Only then did it seek and get court or Congressional approval with retroactive effect.
It is suggested, however, that the Commission is empowered to fix the rental only for the future and that it has no power to make an award with retroactive effect.
Moreover, America's strong legal system should make it easier to enforce their rights.In March the record labels persuaded America's Copyright Royalty Board (CRB) to triple royalties for webcasters, to roughly a fifth of a cent per-song per-listener, with retroactive effect from the beginning of 2006.
The German University was abolished in 1945 by a decree from the President of Czechoslovakia, with retroactive effect to November 17, 1939, the day the Germans had closed the Czech University (Míšková, 2007).
It shall apply, with retroactive effect, from 23 February 2018.
(7) In order to ensure legal certainty and avoid potential market disruption, it is necessary that this Directive enters into force as a matter of urgency and that it applies, with retroactive effect, from 23 February 2018.
The altered-reinforcement hypothesis makes two explicit predictions [ 94]. (1) The delay-of-reinforcement gradient is steeper for children with ADHD than controls, meaning that the retroactive effect of a reinforcer is shorter with children with ADHD [ 95].
An unfortunate aspect of this decision is that in common with other judge-made law it has retroactive effect.
Professor Eric M. Freedman of Hofstra University Law School speculated today that the three dissenting justices were trying to limit the retroactive effect of an imminent ruling they disagreed with.
Significant hardships would be imposed on cities, bondholders, and others connected with municipal utilities if our decision today were given full retroactive effect.
Guided by our decisions dealing with the retroactivity of new constitutional interpretations of the broad language of the Bill of Rights, we agree with the Court of Appeals that Marchetti and Grosso should not have any retroactive effect on Mackey's conviction.
