Ever heard of a gallery shutting down and artists losing their art?
This article explains how you prevent that...
The Personal Properties Security Act allows you to register your art and in the event of the gallery with you going into receivership, you have the right to have your art returned.
If you don't do this, your art ill be held by the receivers and sold off to recoup losses - you will get nothing!
The Personal Properties Security Act - https://www.legislation.gov.au/Details/C2011C00388