(also back-date)Word forms: 3rd person singular present tense backdates, present participle backdating, past tense, past participle backdated
VERB 追溯;使(从过去某个日期)开始生效 If a document or an arrangement is backdated, it is valid from a date before the date when it is completed or signed. 追溯;使(从过去某个日期)开始生效 [Also VERB n]
The contract that was signed on Thursday morning was backdated to March 11. [beVERB-ed + to]
周四早上签订的合同实际生效日期追溯到3月11日。
Anyone who has overpaid tax will be able to backdate their claim to last April. [VERB noun + to]