This law is not retroactive.

此法不溯及既往。

youdao

Meanwhile Ecuador enacted an environmental law, something it had previously lacked. This is not retroactive.

与此同时，厄瓜多尔通过了一项环境法，填补了相关法律的空缺，该法并不涉及以往案件。

youdao

Any retroactive change of substantive law which reaches transactions and ACTS undertaken in justified reliance on the earlier law presents, therefore, a challenge to the sense of injustice.

真实法律的任何改变都是由追溯力的，就是关于初期法律提出的信任需要承担处理及效果，所以，这是对非正义感的一个挑战。

youdao

But Hyundai lobbied state officials, and--just three months after the verdict--Oregon enacted a retroactive law specifying that complying with "state" law meant Oregon law, not California law.

FORBES: Magazine Article

But Hyundai lobbied state officials, and-just three months after the verdict-Oregon enacted a retroactive law specifying that complying with "state" law meant Oregon law, not California law.

FORBES: Don Quixote in court

Congressional rules give Colombia's legislators two more voting opportunities to reintroduce wording to make the law retroactive.

ECONOMIST: Colombia