This document provides a scaffold with all the relevant law and legal tests for an assignment or exam question on determining priority disputes in all Australian jurisdictions. This topic is often assessed in Equity and Trusts, or Property Law. The scaffold can be used to answer questions where multiple parties have interests in the same land, and you must determine which interest takes priority. Typically the dispute is between multiple mortgages over the same land. This scaffold has be written by a lecturer in law and is designed to summarise all relevant law and explain it clearly in a logical structure.