Cal. Health & Safety Code § 25250.17
(a) Unless the facility meets the requirements of Section 25250.11, each used oil recycling, storage, or transfer facility shall submit a report, on or before March 1 of each even-numbered year, to the department, on a form provided by the department, containing all of the following information:
(3) The total volume of used oil recycled during the preceding calendar year, itemized as follows: