As of 2 November 2015, property law in New South Wales has changed in relation to off-the-plan contracts, giving purchasers increased protection which make it harder for developers to enact sunset clauses to cancel contracts. This applies to all contracts for sale, even those already entered into.
A sunset clause is traditionally included in an off-the-plan contract in order to allow a buyer or developer to rescind if completion has been delayed. However, some developers have been using abusing these clauses, intentionally delaying a project in order to cancel existing contracts and then resell to new buyers at a higher price to reflect the current market. [...]