NestedPartyIDs

Tag	Name	Type	Required	Description
539	NoNestedPartyIDs	NumInGroup		Number of NestedPartyID (524), NestedPartyIDSource (525), and NestedPartyRole (538) entries
524	NestedPartyID	String
525	NestedPartyIDSource	Char
538	NestedPartyRole	Int
545	NestedPartySubID	String

Used By

8
Execution Report (via Legs > NestedParties)
AB
New Order Multileg (via Legs_10 > NestedParties)
AC
Multileg Order Cancel/Replace Request (via Legs_13 > NestedParties)
D
New Order Single (via Allocs_27 > NestedParties)
E
New Order List (via Orders > Allocs_30 > NestedParties)

NestedParties OrderQtyData