These changes will take effect on December 20 for the January 2005 contract for both commodities.
Trading will end on the third business day before the end of the delivery month instead of the fourth, and deliveries will commence on the first business day of the month instead of the second.
Exchange President J. Robert Collins, Jr., said, "These changes will result in uniform termination and delivery schedules across the Exchange's entire metals complex, creating greater efficiency for market paricipants."
