Type: UTCTimestamp
Indicates how long the order as specified in the side stays in effect. SideTimeInForce allows a two-sided cross order to specify order behavior separately for each side. Absence of this field indicates that TimeInForce should be referenced. SideTimeInForce will override TimeInForce if both are provided.
Added in protocol FIX.4.4 (EP 3)
See in: FIX.5.0, FIX.5.0SP1, FIX.5.0SP2.