California Code, Public Resources Code - PRC § 48672

Beginning May 1, 1992, every used oil hauler shall report to the board for each quarter the amount of used oil transported, the location to which it is transported, and the source of the used oil. The hauler shall provide estimates, where feasible, of the amount which is used lubricating oil and the amount which is used industrial oil. The reports shall be submitted on or before the last day of the month following each quarter, in the form and manner which the board may prescribe.