For supervision over cancellation and discounts use section ,,Účty" (,,Bills") part ,,Kontrola Storna a slev". In detail of a given bill you can control the progress of the bill, as for instance which items were deleted.
In „Proběhlé změny“(,,Changes") (1) you can see graphic icons showing suspicious activities made with the bill (account): delete(), discount(), cancellation () and repeated print ().
„Slevy“ (,,Discounts") (2) mean percentage discounts given to your customers by waiters. More information about such discounts is to be seen in the article ,,Platba a slevy".
If you click on ,,Detail" on the right side of the row (3) you can go througt the history of the account to better evaluate whether the discount or deletion were justified.
You can mark each note about suspicious activity as ,,zkontrolovaný" (,,controlled") (1) by marking the right box. So you can switch overview of supervised and nonsupervised bills by using the button "Nezkontrolované položky"(,,not controlled") and "Zobrazit vše" (,,controlled") (2).
It is also possible to sort the information by date (3). Please choose the start of the period by clicking on the date in the calendar and second click will mark the last date of the period. (For only one day period please use double click on the given date). Chosen period will change the colour to red.