CME STP FIX - Party Block Usage

The following table shows the possible combinations of Party Role and Party ID values within the Party Block in the Trade Capture Report in the 552-NoSides repeating group.

FIX Tag Combination	Resulting Party Type	Usage	Notes

FIX Tag Combination	Resulting Party Type	Usage	Notes
448-PartyID=<Applicable Party ID> 452-PartyRole=1 (Executing Firm (CME Globex)) 447-PartyIDSource=D (Proprietary/Custom code)	Proprietary / Custom code	ALWAYS	In this scenario 448-PartyID is the party ID. Requires re-mapping from TMF. Tag to indicate name give-up.
523-PartySubID=<Applicable Party ID> 452-PartyRole=1 (Executing Firm (CME Globex)) 447-PartyIDSource=D (Proprietary/Custom code) 803-PartySubIDType=5 (Full legal name of firm)	Full legal name of firm	ALWAYS	In this scenario 448-PartyID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=1 (Executing Firm (CME Globex)) 447-PartyIDSource=D (Proprietary/Custom code) 803-PartySubIDType=17 ( Clearing house participant/member code)	Clearing house participant/member	CONDITIONAL	In this scenario 448-PartyID is the party ID.
523-PartySubID=<Applicable Party ID> 452-PartyRole=1 (Executing Firm (CME Globex)) 447-PartyIDSource=D (Proprietary/Custom code) 803-PartySubIDType=84 (Executing Firm LEI)	Executing Firm LEI	CONDITIONAL	In this scenario 523-PartySubID is the party ID. Present for MIFID, optionally available for US.
448-PartyID=<Applicable Party ID> 452-PartyRole=1 (Executing Firm (CME Globex)) 447-PartyIDSource=D (Proprietary/Custom code)	Generally accepted market participant identifier	ALWAYS	In this scenario 448-PartyID is the party ID.
523-PartySubID=<Applicable Party ID> 452-PartyRole=17 (Contra Firm) 447-PartyIDSource=D (Proprietary/Custom code) 803-PartySubIDType=16 (BIC (Bank Identification Code - SWIFT managed))	Contra Firm - Proprietary / Custom code	CONDITIONAL	In this scenario 523-PartySubID is the party ID. BIC code for EU Bilateral trades.
523-PartySubID=<Applicable Party ID> 452-PartyRole=17 (Contra Firm) 447-PartyIDSource=D (Proprietary/Custom code) 803-PartySubIDType=5 (Full legal name of firm)	Contra Firm - Full legal name of firm	CONDITIONAL	In this scenario 523-PartySubID is the party ID.
523-PartySubID=<Applicable Party ID> 452-PartyRole=17 (Contra Firm) 447-PartyIDSource=D (Proprietary/Custom code) 803-PartySubIDType=17 (Clearing house participant/member code)	Contra Firm - Clearing house participant/member code	CONDITIONAL	In this scenario 523-PartySubID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=21 (Clearing Organization) 447-PartyIDSource=C ()	Generally accepted market participant identifier	CONDITIONAL	In this scenario 448-PartyID is the party ID. Will not be present for bilateral trades.
448-PartyID=<Applicable Party ID> 452-PartyRole=24 (Customer Account) 447-PartyIDSource=C (Generally accepted market participant identifier)	Customer Account - Generally accepted market participant identifier	OPTIONAL	In this scenario 448-PartyID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=44 (Order Entry Operator ID. For Brokertec, this is iLink SenderID, also known as GUS (Global User Signature))	Order Entry Operator ID - Short code identifier	ALWAYS	In this scenario 448-PartyID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=44 (Order Entry Operator ID. For Brokertec, this is iLink SenderID, also known as GUS (Global User Signature)) 447-PartyIDSource=P (Short code identifier)	Order Entry Operator ID - Short Code	CONDITIONAL	In this scenario 448-PartyID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=55 (Session ID)	Session ID	ALWAYS	In this scenario 448-PartyID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=79 (Prime Broker)	Prime Broker ID	OPTIONAL	In this scenario 448-PartyID is the party ID.
448-PartyID=<Applicable Party ID> 452-PartyRole=122 (Investment decision maker) 447-PartyIDSource=P (Short code identifier)	Investment Decision Maker Short Code	CONDITIONAL	In this scenario 448-PartyID is the party ID.