effective date

American  

[i-fek-tiv dayt, ee-fek-tiv] / ɪˈfɛk tɪv ˈdeɪt, iˈfɛk tɪv /

noun

1. the date at which a law, treaty, or regulation comes into effect.

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Example Sentences

See Examples For:

effective date

But on Monday, a federal district court judge in Massachusetts postponed the effective date on the grounds that—and I am paraphrasing here—the rule is mind-bendingly stupid and would create a needless, self-inflicted economic catastrophe.

From Slate ● Sep. 17, 2026

The delay in the effective date of the program hit Ford hard as it makes more vehicles in the U.S. than any other automaker.

From The Wall Street Journal ● Feb. 10, 2026

But administration officials told the company in December of a new, later effective date for the policy, leading to fewer gains from the credits than anticipated.

From BBC ● Feb. 10, 2026

Trump also took the opportunity to push back the effective date of earlier reciprocal tariffs on nearly all U.S. imports.

From Salon ● Jul. 7, 2025

The renewal copyright vests in the name of the renewal claimant on the effective date of the renewal registration.

From Supplementary Copyright Statutes, US Copy. Office by Library of Congress. Copyright Office