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

Students already in the U.S. will move to the new system automatically, with their stays capped at four years from the rule’s effective date during the fall semester.

From Los Angeles Times ● Jul. 17, 2026

The company also plans to pay professional fees of more than $245 million in full, while as much as $223 million in administrative expenses would remain unpaid as of the bankruptcy plan’s effective date.

From The Wall Street Journal ● May 14, 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

“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