Added in protocol FIX.4.4

See in: FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2 EP240.

Field or Component Name Description Is Required Added Is Deprecated
555 NoLegs Number of legs FIX.4.4
Block InstrumentLeg Must be provided if Number of legs > 0 FIX.4.4