Order Cancel/Replace Request (aka Order Modification Request)

TagField NameReq'dComments
  Standard Header Y MsgType = G
37 OrderID N Unique identifier of most recent order as assigned by sell-side (broker, exchange, ECN).
component block <Parties> N Insert here the set of "Parties" (firm identification) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
229 TradeOriginationDate N
41 OrigClOrdID Y ClOrdID of the previous non rejected order (NOT the initial order of the day) when canceling or replacing an order.

11 ClOrdID Y Unique identifier of replacement order as assigned by institution or by the intermediary with closest association with the investor.. Note that this identifier will be used in ClOrdID field of the Cancel Reject message if the replacement request is rejected.
526 SecondaryClOrdID N
583 ClOrdLinkID N
66 ListID N Required for List Orders
586 OrigOrdModTime N TransactTime of the last state change that occurred to the original order
1 Account N
581 AccountType N
589 DayBookingInst N
590 BookingUnit N
591 PreallocMethod N
78 NoAllocs N Number of repeating groups for pre-trade allocation
79 AllocAccount N Required if NoAllocs > 0. Must be first field in repeating group.
467 IndividualAllocID N
component block <NestedParties> N Insert here the set of "Nested Parties" (firm identification "nested" within additional repeating group) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
Used for NestedPartyRole=Clearing Firm
80 AllocQty N
63 SettlmntTyp N
64 FutSettDate N Takes precedence over SettlmntTyp value and conditionally required/omitted for specific SettlmntTyp values.
544 CashMargin N
635 ClearingFeeIndicator N
21 HandlInst Y
18 ExecInst N Can contain multiple instructions, space delimited. Replacement order must be created with new parameters (i.e. original order values will not be brought forward to replacement order unless redefined within this message).
110 MinQty N
111 MaxFloor N
100 ExDestination N
386 NoTradingSessions N Specifies the number of repeating TradingSessionIDs
336 TradingSessionID N Required if NoTradingSessions is > 0.
625 TradingSessionSubID N
Component block <Instrument> Y Insert here the set of "Instrument" (symbology) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
Must match original order
54 Side Y Should match original order's side, however, if bilaterally agreed to the following groups could potentially be interchanged:
Buy and Buy Minus
Sell, Sell Plus, Sell Short, and Sell Short Exempt
Cross, Cross Short, and Cross Short Exempt
60 TransactTime Y Time this order request was initiated/released by the trader or trading system.
465 QuantityType N
component block <OrderQtyData> Y Insert here the set of "OrderQtyData" fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
Note: OrderQty value should be the "Total Intended Order Quantity" (including the amount already executed for this chain of orders)
40 OrdType Y
423 PriceType N
44 Price N Required for limit OrdTypes. For F/X orders, should be the "all-in" rate (spot rate adjusted for forward points). Can be used to specify a limit price for a pegged order, previously indicated, etc.
99 StopPx N Required for OrdType = "Stop" or OrdType = "Stop limit".
Component block <SpreadOrBenchmarkCurveData> N Insert here the set of "SpreadOrBenchmarkCurveData" (Fixed Income spread or benchmark curve) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
Component block <YieldData> N Insert here the set of "YieldData" (yield-related) fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
211 PegDifference N Amount (signed) added to the price of the peg
388 DiscretionInst N Code to identify the price a DiscretionOffset is related to and should be mathematically added to. Required if DiscretionOffset is specified.
389 DiscretionOffset N Amount (signed) added to the "related to" price specified via DiscretionInst.
376 ComplianceID N
377 SolicitedFlag N
15 Currency N Must match original order.
59 TimeInForce N Absence of this field indicates Day order
168 EffectiveTime N Can specify the time at which the order should be considered valid
432 ExpireDate N Conditionally required if TimeInForce = GTD and ExpireTime is not specified.
126 ExpireTime N Conditionally required if TimeInForce = GTD and ExpireDate is not specified.
427 GTBookingInst N States whether executions are booked out or accumulated on a partially filled GT order
component block <CommissionData> N Insert here the set of "CommissionData" fields defined in "COMMON COMPONENTS OF APPLICATION MESSAGES"
528 OrderCapacity N
529 OrderRestrictions N
582 CustOrderCapacity N
47 Rule80A N (deprecated) Must match original order
121 ForexReq N Indicates that broker is requested to execute a Forex accommodation trade in conjunction with the security trade.
120 SettlCurrency N Required if ForexReq = Y.
58 Text N
354 EncodedTextLen N Must be set if EncodedText field is specified and must immediately precede it.
355 EncodedText N Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field.
193 FutSettDate2 N Can be used with OrdType = "Forex - Swap" to specify the "value date" for the future portion of a F/X swap.
192 OrderQty2 N Can be used with OrdType = "Forex - Swap" to specify the order quantity for the future portion of a F/X swap.
640 Price2 N Can be used with OrdType = "Forex - Swap" to specify the price for the future portion of a F/X swap.
77 PositionEffect N For use in derivatives omnibus accounting
203 CoveredOrUncovered N For use with derivatives, such as options
210 MaxShow N
114 LocateReqd N
480 CancellationRights N For CIV - Optional
481 MoneyLaunderingStatus N For CIV - Optional
513 RegistID N Reference to Registration Instructions message for this Order.
494 Designation N Supplementary registration information for this Order
158 AccruedInterestRate N Can be specified on the order for Fixed Income Municipals
159 AccruedInterestAmt N Can be specified on the order for Fixed Income Municipals
118 NetMoney N Can be specified on the order for Fixed Income Municipals
  Standard Trailer Y