go into effect

and take effect

[for a law or a rule] to become effective. When does this new law go into effect? The new tax laws won't go into effect until next year.

Name	Pronounced	Usage
Aonghus	-	Irish, Scottish, Irish Mythology
Tabassum	-	Arabic
Aristeidis	-	Greek
Diane	[dai'æn]
Monserrat	moon-sə-RAHT	Catalan
LabhrÁS	LOW-raws, LAV-raws	Irish