California Code, Health and Safety Code - HSC § 25250.30

A used oil recycling facility located out of state that is registered or certified in accordance with Section 48662 of the Public Resources Code may enter into a testing and reporting agreement with the department. The agreement shall include a requirement on the out-of-state used oil recycling facility that is equivalent to the current testing and testing-related reporting requirements of a used oil recycling facility permit. As part of the agreement, the out-of-state used oil recycling facility shall agree to reimburse the department's full reasonable costs associated with the agreement, including any inspections the department deems necessary to ensure compliance with this provision.