California Code, Health and Safety Code - HSC § 118029

(a) Haulers of medical waste in California, with the exception of those using a materials of trade exception as specified in Sections 117946 and 117976, and United States Department of Transportation licensed common carriers hauling pharmaceutical waste, shall meet all United States Department of Transportation requirements for transporting medical waste and shall be hazardous waste haulers in California. On or before July 1 of each year, a registered hazardous waste hauler that transports medical waste shall so notify the department, and provide, in a format that conforms to the protocol requirements for submission of data to the department, the following information:

(b) Each registered hazardous waste hauler shall provide to the department a list of all medical waste generators serviced by that person during the previous 12 months. That list shall include the business name, business address, mailing address, telephone number, and other information as required by the department to collect annual fees pursuant to Section 117924.The list shall be provided to the department within 10 days of the close of the earliest calendar quarter ending September 30, December 31, March 31, or June 30, or as otherwise required by the department.