California Code, Health and Safety Code - HSC § 2055

(a) In any dispute between a district and another public agency over the need to prevent, abate, or control, or the methods and materials used to prevent, abate, or control vectors or vectorborne diseases, the district or the other public agency may appeal the decision to the director of the department within 10 days of the decision.

(b) Within 30 days of receiving an appeal pursuant to subdivision (a), the director of the department shall consult with the affected agencies, take written and oral testimony, decide the appeal, and convey the decision to the affected agencies. The director's decision shall be consistent with the purposes of this chapter. The decision of the director of the department shall be final and conclusive.