Adding Session ID (Pty Role 55) To Allocation Messages

Please be advised that, in response to customer requests, CME Clearing is adding the Session ID (Party Role 55: Pty/@R=”55”) tag to Allocation messages in the Clearing FIXML API. Session ID will also be added to the post-trade processing grouping criteria. This enhancement will be in the New Release environment for testing beginning Thursday, April 4, 2019, and is scheduled for Production for Trade Date Monday, April 29, 2019.

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