The level of response requested from receiver of mass order messages. A default value should be bilaterally agreed.
0 = No acknowledgement
Responses are provided through one or more ExecutionReport (35=8) messages.
1 = Minimum acknowledgement
The minimum is any information to explain why the requested transaction was refused or led to additional events, e.g. immediate execution of an order that was entered or modified.
2 = Acknowledge each order
The number of entries in the response is identical to the number of entries in the request.
3 = Summary acknowledgement
Responses are provided through a single MassOrderAck <DK> without entries and one or more ExecutionReport (35=8) messages.