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By checking the "Hours worked" checkbox you can get the hours visible to the vacation calendar.
(vacation-calendar-entered-hours.png)
Delimiting employees, based on their skills and qualifications
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Approving vacations
Time reports > Time reports for payroll
If the report has everything in order you can approve booked work hours. Approving hours locks them for payroll purposes. This will also lock the vacations, which means that they can't be changed.
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