TagField NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
523PartySubIDString

Sub-identifier (e.g. Clearing Account for PartyRole=Clearing Firm, Locate ID # for PartyRole=Locate/Lending Firm, etc). Not required when using PartyID, PartyIDSource, and PartyRole.



 Added  FIX.4.3
Used in messages:
Used in components:
[Parties]