In the case of unpaid leave, it is possible to use the items for unpaid days:

A quantity item :

which must be typed Generic unit of type Days

And an item for calculation :

typed Extra days item

employee part -100 / employer part 100

applied to the number of unpaid days item

subject to all usual elements (social insurance, withholding tax)

statistical item group Statistical gross salary I

Salary certificate box Salary 1

This is valid for a short period.

If the unpaid leave reaches a certain length, an exit and a new entry in the employee management will have to be made. This is especially important for capped salaries. Remember that the employee is no longer covered by accident insurance after one month.