Go to Diagnostic - Employees tools - Redo holidays right

According to the employee's card: 

according to the right determined in the employee management. Ex:

This utility will run a recalculation of vacation entitlements on all employees. 

According to the rates stored in the salaries: 

according to the rates that have been applied each month in the salaries.

Update vacation rates in amounts:

 allows you to modify the rates applied person by person, month by month.