Creating superannuation deduction codes Perform this procedure after setting up the basis of contribution for superannuation. Select Benefits > Administration > Setup > Payroll Codes > Deduction Codes. In the Payroll pane, click Deduction Codes. Specify the deduction code and description. Click Create. On the Detail tab, specify this information: Adjust Pay Select Employer Paid. Calculation Type Select Flat Amount. Tax Status Select Pre Tax. Click Save.