If one were to select the single most important statutory provision in Australian law, the choice would probably fall on s 52 of the Trade Practices Act 1974 (Cth) (the TPA). Few, if any, other legislative provisions have as wide and far-reaching an application as that section.
"Some observations on the regulation of misleading or deceptive conduct,"
The National Legal Eagle:
1, Article 6.
Available at: http://epublications.bond.edu.au/nle/vol13/iss1/6