: the day when a law, rule, contract, etc., starts to be used
Examples of effective date in a Sentence
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The effective date carries the most weight, because a claim with a September date of service still has to be judged against the September rule.—
Jp Montoya,
Forbes.com,
13 Oct. 2026 The action and its effective date The terminology in a Missouri license-suspension notice can indicate the type of administrative action involved and the process associated with it.—
Karen Koehler,
Kansas City Star,
8 Oct. 2026 The authors of Proposition 40 gave it an effective date of January 1, 2026, to prevent billionaires from evading the tax by leaving California after its passage.—
Nicholas Lemann,
New Yorker,
4 Oct. 2026 For Florida judgment interest, the state Chief Financial Officer publishes current and historical rates by effective date.—
Ethan Stone,
Miami Herald,
23 Sep. 2026 See All Example Sentences for effective date