Cal. Health & Safety Code § 117946
(a) A small quantity medical waste generator or parent organization that employs health care professionals who generate medical waste may transport medical waste generated in limited quantities up to 35.2 pounds to the central location of accumulation, provided that all of the following are met:
(3) A person transporting medical waste pursuant to this section shall provide a form or log to the receiving facility, and the receiving facility shall maintain the form or log for a period of two years, containing all of the following information: