File Layout Change for CME Daily Adjustment History File

***IMPORTANT UPDATE: THIS CHANGE HAS BEEN POSTPONED FROM THIS FRIDAY, AUGUST 25TH UNTIL  FRIDAY, SEPTEMBER 15, 2006***

On Friday, September 15, 2006, the file layout will change for the CME Daily Adjustment History File. The Commodity Code field has been expanded from 2 bytes to 5 bytes. As a result, all other fields after the cpmmodity code have been displaced by 3 bytes.

The attached file layout has the changes highlighted in Blue.