Add a pay item to an approved pay run (for Xero's Pay Run feature)
If every employee's pay in the pay run is still awaiting payment, you can add a pay item to employee's pay after you've already approved a pay run.
Go to Accounts, then click Pay Run.
Select the pay run that contains the employee's pay you want to add the pay item to.
Click on the Net Pay amount for that employee. This opens their payslip for that pay run.
Select Payslip Options, then click Edit.
You'll see a message warning you that any changes you make to the employee's payslip may affect other bills in the pay run.
Click Add a new line and select an empty Pay items field.
Click Add a new pay item...
Add a new pay item and click Save.
Enter a quantity next to the pay item in the Qty field on the payslip.
You'll see a message warning you that any changes you have made will affect other invoices in the pay run.