The information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) and have been assigned OMB control number 0575-0172. Public reporting burden for this collection of information is estimated to vary from 5 minutes to 3 hours per response, with an average of 1\1/2\ hours per response, including time for review instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. [61 FR 59779, Nov. 22, 1996, as amended at 67 FR 78332, Dec. 24, 2002]