TimeInForce (Tag = 59, Type: char)

Specifies how long the order remains in effect. Absence of this field is interpreted as DAY. NOTE not applicable to CIV Orders.

Valid values:
'0' Day
'1' Good Till Cancel (GTC)
'2' At the Opening (OPG)
'3' Immediate or Cancel (IOC)
'4' Fill or Kill (FOK)
'5' Good Till Crossing (GTX)
'6' Good Till Date
'7' At the Close

Used in: