Per Clearing House Advisory 10-30, published on February 26, 2010, CME Clearing will be transitioning CME and CBOT exchange position data from the legacy C21 systems to the new Positions System which is currently used for NYMEX, COMEX and DME exchanges. The transition will be implemented in three phases.
The first phase involves conversion to a new FIXML trade register format. Firms can start converting to this new register file format on June 14, 2010 and will continue until July 16, 2010. After that date all firms will need to be converted to the new format. Firm service providers will have updates to their code to process the new register data files. Firms will need to coordinate with their service providers to install the system updates in order to start testing their register data files.
For the full text of this advisory...