Setting up working days is mandatory when completing the Profiles module. Thereafter, you will need to choose the correct Proration Calculation** under Payroll Details section.
Depending on your company's policies and contract terms that you have with your employees, here is the definition of each option to guide you along:
26 Working Days - this option means that employees will have their monthly salaries prorated according to a fixed 26 working days each month
Working Days - this option means that employees will have their monthly salaries prorated based on their working day settings set up under the Company Details page in Talenox
Calendar Days - this option means that employees will have their monthly salaries prorated based on the number of calendar days in a single month