Chapter 23 - The law of marketing. After studying this chapter you will be able to: explain the key features of Australian work health and safety (WHS) law, identify the sources of Australian WHS law, summarise the statutory design of WHS law, explain the move to harmonise WHS law throughout Australia by the introduction of model legislation,. | Lecture Fundamentals of business law (4th): Chapter 23 - Margaret L. Barron, Richard . Fletcher