The Quickbooks payroll-end of year processes is a comprehensive document that will assist you in formulating your group certificates for your employees.
Here is a video produced by Xero to assist you with your end of year group certificates:
You need to ensure that you have:
Ensure the payroll data matches the general ledger
Prepare and publish Group Certificates for Employees
Submit a payment summary report to the ATO
Another document that might assist you in making your transition into the new financial year easier is doing a year end in Xero
This video produced by MYOB provides extensive insight into how to prepare your group certificates and closing your payroll at the end of the year.