The Interval block of settings contains entry fields in which you can select the start and end dates of the period (in days).

The application selects incidents associated with all categories for the report (including categories that had been deleted at the time of report generation).

This option is selected by default.

The application selects incidents belonging to the specified categories for the report. If you select this option, the list of categories becomes available.

The list contains the names of categories available at the time of report generation. You can select incidents for the report by selecting the check boxes next to relevant categories.