"• IMF web site will show that normal litigation funding costs...

"• IMF web site will show that normal litigation funding costs are likely to be in the order of 25-33% , legal costs will add substantially to this .These cost come out as a priority normally . The cost to run this case could cost in excess of $50million dollars.
• Unit holders could be held liable for cost if an action was unsuccessful. The cost could cost as much as the call. This is because only a percentage of the unit holders will join in on a class action "

interesting
imf is hoping to recoup $200m or 50m/25%

and if they don't win

"Unit holders could be held liable for cost if an action was unsuccessful"