Пример употребления: In countries where the 'rule of law' applies, there is usually a dislike of legislation which has retrospective effect. In this brief post, I do not seek to discuss in any detail the merits or otherwise of the arguments for or against retrospective legislation, save to say that with regard to legal certainty, it is important both for individual citizens and business enterprises as well as other legal entities that they can assess the legality and legal effects of a planned action before instituting such action. (legalweek.com).
Пример употребления: Generally, Congress does not provide administrative agencies authority to create rules that have retroactive effect. (uslegal.com).