The payroll admin role has access to make a group registration for all or selected employees' calendars.
For example, with fixed closing days where the employee must use, for example, one of his holiday days.
Click: Payroll Admin > Employees > Group registration > New registration
Create a filter. For example, a country or department
Add employees to your group registration
Select the event type. For example: Vacation
Select a date or period where you want to create a group registration
Finish by clicking "Save"