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

Under state law, dealers in California may continue to use up supplies of paraquat for up to two years following the effective date of their cancellation.

From Los Angeles Times ● Aug. 11, 2026

Customs made the effective date for ending them Feb. 24.

From The Wall Street Journal ● Mar. 6, 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

Insufficient fees could delay the effective date of notice.

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