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
Stane	-	Slovene
Puck	PUK (English)	Anglo-Saxon Mythology, Dutch
Ludvigs	-	Latvian
Brin	-	Welsh
Aylwen	['eilwən]
Rani (1)	-	Indian, Telugu, Hindi, Marathi