The tests would be done to assure the public that the systems are functioning after the date rollover, David said.

CNN: Airports resist new Y2K tests

Morehart said that he does not expect anything to occur during the date rollover other than precautionary phone calls from customers.

CNN: Small businesses not forgotten in Y2K

Larger power suppliers in developed nations are said to be mostly prepared for the date rollover, but some officials remain worried about how the industry overall will cope with the year 2000 computer problem.

CNN: Utilities pose biggest worldwide Y2K threat