| Tag | Field Name | Data Type | Description | Used in |
|---|---|---|---|---|
| 591 | PreallocMethod AbbrName: PreallocMeth |
char | Indicates the method of preallocation. Valid Values: 0 - Pro-rata 1 - Do not pro-rata - discuss first |
NewOrderSingle OrderCancelReplaceRequest ListOrdGrp SideCrossOrdModGrp TrdCapRptSideGrp TrdCapRptAckSideGrp NewOrderMultileg MultilegOrderCancelReplace ExecutionReport |