3.13.3 Initialization
When the client transaction ORPC extension is initialized, it MUST do the following:
Create the data structures described in section 3.13.1.
If the RootTxnObject flag is set to TRUE, it MUST set the CurrentTSN value to the CurrentTSN value of the client root transaction object (section 3.1).
Otherwise, it MUST set the CurrentTSN value to 1.
It MUST set the KnownTSN value to 0.