Insurance texts are shelved at 340.3.
Subject terms in the catalogue include: Law Reform; Reform Commission.
Include the specific subject with the words law reform or reform for titles on law reform in that subject.
e.g medical law reform electoral reform
Some texts include:
Indigenous Australians, social justice and legal reform
New directions for law in Australia : essays in contemporary law reform
Rules for a flat world: why humans invented law and how to reinvent it for a complex global economy
List some commentaries here
Tip: combine "law reform" with a subject for chapters on law reform in that subject.