PwC's proposed approach to investor payouts faces a legal challenge
PwC proposes an interim $473 million payout to investors
OSC proved most of its case against failed firm's founders, panel ruled
Receiver rejected company's $213-million claim against flagship fund
Court asked to approve loan sale as part of receiver's ongoing efforts
Tribunal refused to pause its proceedings while lawyers try to get paid
Lawyers for firm's founder seek adjournment amid unpaid legal bills
Firm's executive aided Ng's scheme to raise funds with falsified collateral
Almost $300 million in disputed claims must be resolved before distributions can start
Investors' lawyers decline to appeal reversal of novel ruling