Any combination of the following OrdType(40) and TimeInForce(59) is supported in HS mode by the FIX Client:
Order types:
1 = Market
2 = Limit
Time in Force:
0 = Day
1 = GTC (Good Till Cancel)
3 = IOC (Immediate or Cancel / Fill And Kill)
4 = FOK (Fill Or Kill)
6 = GTD (Good Till Date)
The Fix Server shall reject any invalid combinations for a particular contract.