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

Lawmakers on both sides of the aisle have already proposed bills that would either extend the ban’s effective date or establish a federal framework for hemp-derived THC products.

From The Wall Street Journal ● Feb. 23, 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

The effective date of any such order shall also be designated in the order.

From Copyright Law of the United States of America and Related Laws Contained in Title 17 of the United States Code, Circular 92 by United States