become effective
enter into force
come into force
enter into force
bring something into force

It entered into force as law on 1 June 2007.

We are being asked to change a regulation which entered into force a few months ago.

This decision will enter into force on 1 May 2001.

The new rules are to enter into force within six months.

It is expected to enter into force on 1 September 2005.

These will then enter into force as of next week.

In my country, a new law entered into force last month on forms of care for children up to three years old.

The results are to enter into force no later than 30 July of this year.

Seven years later, in September last year, it entered into force.

These guidelines will enter into force at the end of 1999.