No longer used as of FIX 4.3. Included here for reference to prior versions.

*** REPLACED FIELD - See: Appendix 6-F: 3.Replaced Fields: ExecBroker, BrokerOfCredit, ClientID, ClearingFirm (tag 439), ClearingAccount, and SettlLocation [replaced in FIX 4.3] ***

Firm that will clear the trade. Used if different from the executing firm.