TagField NameAbbr nameData TypeUnion DatatypeDescriptionPedigree
523PartySubIDIDString

Sub-identifier (e.g. Clearing Account for PartyRole (452)=Clearing Firm, Locate ID # for PartyRole=Locate/Lending Firm, etc). Not required when using PartyID (448), PartyIDSource (447), and PartyRole.

Added FIX.4.3

Used in components:
[PtysSubGrp]