NOTE 73.  Add: Australian Securities and Investments Commission v Citigroup Global Markets Australia Pty Ltd (ACN 113 114 832) (No. 4) [2007] FCA 963 at [285].  Such an inference can be drawn either from the inherent nature of the type of relationship (as in Kelly v Cooper) or from the particular facts of the individual relationship: see ASIC v Citigroup at [355]-[360].