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

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

Edison agreed to pay the settlement within 60 days of the effective date of the agreement, which was May 14, without admitting wrongdoing or fault.

From Los Angeles Times ● May 23, 2025

“Consumers could see FD&C Red No. 3 as an ingredient in a food or drug product on the market past the effective date in the order if that product was manufactured before the effective date.”

From Salon ● Jan. 24, 2025

If the House of Councilors is not constituted before the effective date of this Constitution, the House of Representatives shall function as the Diet until such time as the House of Councilors shall be constituted.

From The Constitution of Japan, 1946 by Japan