In version of terminal 1.68b (Rev.3) Sirena-Travel GDS is implemented the option of cancellation of online registration until payment of railway order for the passing trains.
In the window "Entering of passenger data" introduced the checkbox "e-registration".
To change the information in the checkbox (remove the marker) is possible only for those trains, for which the date of tickets sales is greater than that the date of departure from the original point.
For all other trains the checkbox is not active.