come into effect

The new law came into effect on June 1, 2011.

This will come into effect at the next general election.

The law in question came into effect on July 1.

We have asked to do so, but changes take a long time to come into effect.

When does the health care reform law come into effect?

The new law came into effect on July 6, 2012.

This name change came into effect at the start of 1995.

This would come into effect at 8 am on 5 May.

The new law will come into effect on 1 May 2011.

But it will give you the wrong answer once other forces come into effect.