TagField NameXML NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag
256UnderlyingCreditRating @CrdRtgString

Underlying security’s CreditRating.

See CreditRating (255) field for description

(Note tag # was reserved in FIX 4.1, added in FIX 4.3)



Added  FIX.4.2

Used in messages:

Used in components:
[UnderlyingInstrument]