TagField NameAbbr NameData TypeUnion DatatypeDescriptionPedigree
256UnderlyingCreditRatingCrdRtgString

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 components:
[UnderlyingInstrument]