Type: String
Three byte, simple checksum (see Appendix B: CheckSum Calculation for description). ALWAYS LAST FIELD IN MESSAGE; i.e. serves, with the trailing <SOH>, as the end-of-message delimiter. Always defined as three characters. (Always unencrypted)
Added in protocol FIX.2.7
See in: FIX.4.0, FIX.4.1, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240, FIXT.1.1.