| AffectedOrders | 4 fields, 1 group |
| Allocs | 4 fields, 1 group |
| Allocs_11 | 4 fields, 1 group |
| Allocs_27 | 4 fields, 1 group, 1 nested component |
| Allocs_30 | 4 fields, 1 group, 1 nested component |
| Allocs_32 | 4 fields, 1 group, 1 nested component |
| Allocs_36 | 19 fields, 1 group, 3 nested components |
| Allocs_60 | 4 fields, 1 group, 1 nested component |
| Allocs_63 | 4 fields, 1 group, 1 nested component |
| BidComponents | 9 fields, 1 group |
| BidComponents_54 | 15 fields, 1 group, 1 nested component |
| BidDescriptors | 12 fields, 1 group |
| ClearingInstructions | 2 fields, 1 group |
| CommissionData | 4 fields |
| ContAmts | 4 fields, 1 group |
| ContAmts_17 | 4 fields, 1 group |
| ContraBrokers | 6 fields, 1 group |
| Dates | 3 fields, 1 group |
| DistribInsts | 9 fields, 1 group |
| Execs | 6 fields, 1 group |
| Hops | 4 fields, 1 group |
| Instrument | 32 fields, 1 nested component |
| InstrumentLeg | 34 fields, 1 nested component |
| IOIQualifiers | 2 fields, 1 group |
| Legs | 8 fields, 1 group, 2 nested components |
| Legs_10 | 7 fields, 1 group, 2 nested components |
| Legs_13 | 7 fields, 1 group, 2 nested components |
| Legs_48 | 2 fields, 1 group, 1 nested component |
| Legs_49 | 2 fields, 1 group, 1 nested component |
| Legs_68 | 2 fields, 1 group, 1 nested component |