by the United States government, United States Code — Title 11, Chapter 3…
“ The trustee, or a committee appointed under section 1102 of this title, with the court’s approval, may employ or authorize the employment of a professional person under section 327 or 1103 of this title, as the case may be, on any reasonable terms and conditions of employment, including on a retainer, on an hourly basis, on a fixed or percentage fee basis, or on a contingent fee basis. ”
