In order to more clearly represent fee and grouping criteria, CME Clearing will add the Product Sub Type attribute (@SubTyp) to Post-Trade Processing FIXML messages sent from FECPlus. The SubTyp attribute is included in the Instrument block of the FIXML messages. Product Sub Type is currently being used as a fee criteria but was not being included on post-trade processing messages. The Production date for this change is Trade Date Monday, June 07, 2021.
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21-098