Diagnosis
The Calculate 13th month pay for terminated employees? field wasnot flagged. Terminated employees will therefore not be included in13th month pay calculations, and you do not need to maintaincalculation rules for the employees.

Procedure
If you want to include terminated employees in 13th month payprocessing, flag the Calculate 13th month pay for terminatedemployees? field. Then choose Calculation rule for ex-employees
, and check that the parameters used to calculate 13th monthpayments for terminated employees meet your requirements.

Further notes
13th month payments can be calculated based on either an employee'sbasic salary or average salary.
You must choose the method that is used by your company and that isconfigured in the Set Up 13th Month CalculationBasis section of Customizing for Payroll Philippines.