The legislation was made retrospective.
该项法规具有追溯效力.
a retrospective pay rise
有追溯效力的加薪.
(of laws,payments,etc)applying to the past as well as the future;retroactive
（指法律、支付关系等）溯及既往的,有追溯效力的
The tax ruling have retrospective effect .
该税务裁定具有追溯效力。
Although the vast majority of administrative rules do concern future standards of conduct, agencies occasionally issue rules that are intended to operate retroactively.
虽然绝大多数行政规则的确关注将来的行为标准，但机关偶尔也发布作用在于有追溯效力的规则。
Article 20 Retroactivity
第20条 追溯效力
A subsequent ratification, which has a retrospective effect, is equivalent to a prior command.
事后追认有溯及力，等同先前命令。
Building restrictions in effect after Ammonia availability retrospective night?
建房在先限制在后氨气袭人有无追溯力？
The requirements can be related to any aspect such as effectiveness, efficiency or traceability.
要求可以是有关任何方面的，如有效性、效率或可追溯性。
A Conceptual Framework of Economic Analysis for Traceability System Effective Implementation into Agricultural Products
农产品质量安全可追溯系统有效实施的经济分析:一个概念框架
"no retrospective criminal offences or penalties [Article 12, Hong Kong Bill of Rights]"
刑事罪及刑罚没有追溯力〔香港人权法案第十二条〕
Such a ratification relates back and supplies the original authority to perform the act.
这种追认是有溯及力并赋予了完成该事项的原始代理权。
The new law was made retroactive to 1 January.
新法令生效日期可追溯到1 月1 日.
The new law was made retroactive to 1 January, ie as if it had come into effect then.
新法令生效日期可追溯到1月1日.
Traceability:ability to trace the history, application or location of that which is under consideration
可追溯性:追溯所考虑对象的历史、应用情况或所处场所的能力。
In retrospect all successful policies seem preordained.
追溯一切成功的政策，看来都有其预兆。
Its recorded history goes back to 43 A. D.
有记载的历史可以追溯到公元43年。
Concern for fracture has surely existed back to antiquity.
有关断裂的问题显然要追溯到古代。