California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 13128

No applicant for registration or current registrant of a pesticide who proposes to purchase or purchases a registered pesticide from another producer in order to formulate the purchased pesticide into an end use product shall be required pursuant to Section 13127 to submit or cite mandatory health effect data pertaining to the safety of the purchased product or to offer to pay reasonable compensation for the use of any such data if the producer is engaged in fulfilling the requirements of Section 13127.