Articles in this category How to manual upload 13th month pay 1. Go to Payroll. 2. Select generate 13th month pay. 3. Choose a company. 4. Fill up the form. 5. In option select manual 13th month computation. 6. Click the generate button. 7. Click the click... How to Generate 13th Month (Single/Multiple Payroll Period) Go to Payroll Click Generate 13th Month Pay Choose a Company Filter all the Details needed in the Generation Select a Computation Type Click Generate to Proceed