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.
When reporting an Execution, LegOrderQty may be used on Execution Report to echo back original LegOrderQty submission.
This field should be used to specify OrderQty at the leg level rather than LegQty (deprecated).