California Code, Public Resources Code - PRC § 42954

(1) The person transports fewer than 10 waste or used tires at any one time.

(2) The person is, or hauls used and waste tires in a vehicle owned and operated by, the United States, the State of California, or any county, city, town, or municipality in the state, except when the vehicle the public agency owns or operates is used as a waste and used tire carrier for hire.

(3) The waste or used tires were inadvertently mixed or commingled with solid waste, and it is not economical or safe to remove or recover them.

(4) The load containing the used or waste tires originated outside the boundaries of the state and is destined for a point outside the boundaries of the state, if no waste or used tires are loaded or unloaded within the boundaries of the state.

(5) The person is hauling waste or used tires for agricultural purposes. However, notwithstanding Section 42961.5, a person hauling waste or used tires for agricultural purposes shall carry the manifest or manifest information required by paragraph (1) of subdivision (a) of Section 42961.5 in a format approved or required by the department in the vehicle during transportation, which may be destroyed after delivery.

(6) The waste or used tires were hauled by a common carrier who transported something other than waste or used tires to an original destination point and then transported waste or used tires on the return part of the trip, and the revenue derived from the waste or used tires is incidental when compared to the revenue earned by the carrier.

(7) The person, who is not a waste tire generating business, is transporting waste or used tires to an amnesty day event or to a location that meets the conditions specified in subdivision (b) of Section 42951, and has received written authorization, which includes specific conditions and dates, from the local enforcement agency. The local enforcement agency shall provide copies of any written authorizations to the department within 30 days of their issuance.

(8) The person is transporting illegally dumped waste or used tires to an amnesty day event or to a location that meets the conditions specified in subdivision (b) of Section 42951, and has received written authorization, which includes specific conditions and dates and documentation that a police report has been filed for the illegally dumped tires, from the local enforcement agency. The local enforcement agency shall provide copies of any written authorizations to the department within 30 days of their issuance.

(9) The person complies with any additional conditions for exemption, as approved by the department.