Last Updated
：2025/11/21
retroactive law
Noun
countable
uncountable
Japanese Meaning
過去に行われた法的行為に対して、その行為を違法に転換するか、または既に違法とされている行為に対する罰則を強化する法律。 / 法の制定後にさかのぼって適用される規定を持つ法律。
（ plural ）
Quizzes for review
(law) Any law that makes a prior legal act illegal, or increases the penalty for a prior illegal act.
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retroactive law
The court ruled that the retroactive law violated the constitution by punishing conduct that was legal when committed.
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The court ruled that the retroactive law violated the constitution by punishing conduct that was legal when committed.
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