Type: UTCTimestamp
Time the details within the message should take effect (always expressed in UTC (Universal Time Coordinated, also known as “GMT”)
Added in protocol FIX.4.1
See in: FIX.4.1, FIX.4.2, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240.