Review of ASIC decision to refuse relief - joint bid - condition of relief that bid be subject to non-waivable condition that majority of shareholders accept bid - later modification granted to exclude shareholders created by share-splitting- further modification refused on ground that market had traded on assumption that the condition was non-waivable and operated on the number of shareholders- abandoned parcels -breadth of ASIC power under section 655A - market knowledge - market integrity - effect on non-waivable conditions imposed as condition of ASIC relief - basis for decision - appropriate relief