It is compulsory for the Managing Owner of a Standardbred horse to notify Harness Racing Australia if their horse has retired from racing or has died.
Notification can be made via HarnessWeb or by submitting the Notification of Deregistration or Death of a Standardbred form to Harness Racing Australia
A tutorial video on how to retire a horse is now available on HarnessWeb (Help/Tutorials/Horse Status Update Example) or on YouTube