CTI - Select the Broker Customer.
Origin - Select Customer.
Account Code - Select None.
Member Allocation - Must be the Clearing Firm in the format “CME:125” for OneChicago trading, “CFE:125” for CFE (VIX) trading. (Replace 125 with the clearing firm.).
Trader Allocation - Required. Enter the Clearing Account.
Customer Reference - Optional – Will populate tag 109 (ClientID)