come into effect

to become valid, effective, or operable. When did these rules come into effect? They came into effect while you were on vacation.

Name	Pronounced	Usage
Desiree	[deizi:'rei]
Carmella	kahr-MEL-ə	English
Kelcey	KEL-see	English (Rare)
Shivali	-	Hinduism, Indian, Hindi
Vasilije	-	Serbian
Godefroy	-	French