Once the Employer/Employee relationship ends, Payees should be ceased and notification sent to the ATO.
If the Payee has passed away, the final pay run cannot be processed until the Beneficiary Details have been received and entered within the Payee Master File.
STEP 3 - Compose the Payees' Pay Details, including all Termination payments required.
STEP 4 - Proceed with the remaining steps per How do I process a Single Touch Payroll Pay Run?