This is a reusable definition. Requiredness is relative to this structure; its use and conditions in a message remain on that message's page. Version links browse the other dictionary, not an assumed equivalent component.
Indicates number of individual execution repeating group entries to follow. Absence of this field indicates that no individual execution entries are included. Primarily used to support step-outs.
Last price expressed in percent-of-par. Conditionally required for Fixed Income trades when LastPx is expressed in Yield, Spread, Discount or any other price type