3.3.5.1.2.2 Receiving a TXUSER_SETTXTIMEOUT_MTAG_REQUEST_COMPLETE Message
When the application receives a TXUSER_SETTXTIMEOUT_MTAG_REQUEST_COMPLETE message, the application MUST perform the following actions:
If the connection state is Awaiting Set Timeout Response, the application MUST:
Set the connection state to Processing Transaction.
Return a success result to the higher-layer business logic.
Otherwise, the message MUST be processed as an invalid message as specified in section 3.1.6.