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

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

"This recalculation will not only consider the benefits payable moving forward but also a lump sum of benefits that should have been paid since the effective date of the legislation, December 2023."

From Salon ● Jan. 27, 2025

As discussed in the Notice of Policy Decision and Public Meeting, the Copyright Office has concluded that the effective date of copyright restoration is January 1, 1996.

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