See Appendix 6-E: 3.Deprecated Instrument-affiliated "RedemptionDate" Fields: RedemptionDate (240), UnderlyingRedemptionDate (247), and LegRedemptionDate (254)

Return of investor's principal in a security. Bond redemption can occur before maturity date.

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

prior to FIX 4.4 field was of type UTCDate.