StandardHeader Component

<Hdr>

Tag Field Name AbbrName Req'd Comments
8 BeginString BeginString Yes FIXT.1.1 (Always unencrypted, must be first field in message)
9 BodyLength BodyLength Yes (Always unencrypted, must be second field in message)
35 MsgType MsgTyp Yes (Always unencrypted, must be third field in message)
1128 ApplVerID ApplVerID Indicates application version using a service pack identifier. The ApplVerID applies to a specific message occurrence.
1156 ApplExtID ApplExtID
1129 CstmApplVerID CstmApplVerID Used to support bilaterally agreed custom functionality
49 SenderCompID SID Yes (Always unencrypted)
56 TargetCompID TID Yes (Always unencrypted)
115 OnBehalfOfCompID OBID Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.)
128 DeliverToCompID D2ID Trading partner company ID used when sending messages via a third party (Can be embedded within encrypted data section.)
90 SecureDataLen (Deprecated in FIXT.1.1) SecureDataLen Required to identify length of encrypted section of message. (Always unencrypted)
91 SecureData (Deprecated in FIXT.1.1) SecureData Required when message body is encrypted. Always immediately follows SecureDataLen field.
34 MsgSeqNum SeqNum Yes (Can be embedded within encrypted data section.)
50 SenderSubID SSub (Can be embedded within encrypted data section.)
142 SenderLocationID SLoc Sender's LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.)
57 TargetSubID TSub "ADMIN" reserved for administrative messages not intended for a specific user. (Can be embedded within encrypted data section.)
143 TargetLocationID TLoc Trading partner LocationID (i.e. geographic location and/or desk) (Can be embedded within encrypted data section.)
116 OnBehalfOfSubID OBSub Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.)
144 OnBehalfOfLocationID OBLoc Trading partner LocationID (i.e. geographic location and/or desk) used when delivering messages via a third party. (Can be embedded within encrypted data section.)
129 DeliverToSubID D2Sub Trading partner SubID used when delivering messages via a third party. (Can be embedded within encrypted data section.)
145 DeliverToLocationID D2Loc Trading partner LocationID (i.e. geographic location and/or desk) used when delivering messages via a third party. (Can be embedded within encrypted data section.)
43 PossDupFlag PosDup Always required for retransmitted messages, whether prompted by the sending system or as the result of a resend request. (Can be embedded within encrypted data section.)
97 PossResend PosRsnd Required when message may be duplicate of another message sent under a different sequence number. (Can be embedded within encrypted data section.)
52 SendingTime Snt Yes (Can be embedded within encrypted data section.)
122 OrigSendingTime OrigSnt Required for message resent as a result of a ResendRequest. If data is not available set to same value as SendingTime (Can be embedded within encrypted data section.)
212 XmlDataLen XmlDataLen Required when specifying XmlData to identify the length of a XmlData message block. (Can be embedded within encrypted data section.)
213 XmlData XmlData Can contain a XML formatted message block (e.g. FIXML). Always immediately follows XmlDataLen field. (Can be embedded within encrypted data section.)
See Volume 1: FIXML Support
347 MessageEncoding MsgEncd Type of message encoding (non-ASCII characters) used in a message’s "Encoded" fields. Required if any "Encoding" fields are used.
369 LastMsgSeqNumProcessed LastMsgSeqNumProced The last MsgSeqNum value received by the FIX engine and processed by downstream application, such as trading system or order routing system. Can be specified on every message sent. Useful for detecting a backlog with a counterparty.
HopGrp HopGrp Number of repeating groups of historical “hop” information. Only applicable if OnBehalfOfCompID is used, however, its use is optional. Note that some market regulations or counterparties may require tracking of message hops.
Used in the following messages and components
Heartbeat TestRequest ResendRequest Reject SequenceReset Logout IOI Advertisement ExecutionReport OrderCancelReject Logon News Email NewOrderSingle NewOrderList OrderCancelRequest OrderCancelReplaceRequest OrderStatusRequest AllocationInstruction ListCancelRequest ListExecute ListStatusRequest ListStatus AllocationInstructionAck DontKnowTradeDK QuoteRequest Quote SettlementInstructions MarketDataRequest MarketDataSnapshotFullRefresh MarketDataIncrementalRefresh MarketDataRequestReject QuoteCancel QuoteStatusRequest MassQuoteAcknowledgement SecurityDefinitionRequest SecurityDefinition SecurityStatusRequest SecurityStatus TradingSessionStatusRequest TradingSessionStatus MassQuote BusinessMessageReject BidRequest BidResponse ListStrikePrice RegistrationInstructions RegistrationInstructionsResponse OrderMassCancelRequest OrderMassCancelReport NewOrderCross CrossOrderCancelReplaceRequest CrossOrderCancelRequest SecurityTypeRequest SecurityTypes SecurityListRequest SecurityList DerivativeSecurityListRequest DerivativeSecurityList NewOrderMultileg MultilegOrderCancelReplace TradeCaptureReportRequest TradeCaptureReport OrderMassStatusRequest QuoteRequestReject RFQRequest QuoteStatusReport QuoteResponse Confirmation PositionMaintenanceRequest PositionMaintenanceReport RequestForPositions RequestForPositionsAck PositionReport TradeCaptureReportRequestAck TradeCaptureReportAck AllocationReport AllocationReportAck Confirmation_Ack SettlementInstructionRequest AssignmentReport CollateralRequest CollateralAssignment CollateralResponse CollateralReport CollateralInquiry NetworkCounterpartySystemStatusRequest NetworkCounterpartySystemStatusResponse UserRequest UserResponse CollateralInquiryAck ConfirmationRequest ContraryIntentionReport SecurityDefinitionUpdateReport SecurityListUpdateReport AdjustedPositionReport AllocationInstructionAlert ExecutionAcknowledgement TradingSessionList TradingSessionListRequest SettlementObligationReport DerivativeSecurityListUpdateReport TradingSessionListUpdateReport MarketDefinitionRequest MarketDefinition MarketDefinitionUpdateReport UserNotification OrderMassActionReport OrderMassActionRequest ApplicationMessageRequest ApplicationMessageRequestAck ApplicationMessageReport