This is our latest List of Tax Return Agent 483 business contact details are provided in this database, which was updated in March 2018. We have refined our data and include more emails than previously and also matched the ABN and if the business is Active or Cancelled on the ABR http://abr.gov.au. You can also get an exact breakdown of phone, fax, email, website and postcode distribution of the Tax Return Agent 483 Contacts, by opening the Excel summary file here - List Summary Spreadsheet