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The new system is due to come into operation in the 2012-13 season.

The new system came into operation at the beginning of the 2012-13 season.

The new system came into operation with the start of the 2012-13 season.

At the same time, a new network came into operation.

He also said that it does not come into operation until 2003.

It is going to come into operation later than we had hoped.

It is just over ten years now since the internal market came into operation.

The intention was for the new system to come into operation in 2005.

That is a very good idea, but it will come into operation as of January 2004.

When they came into operation, the red lights would come on.