Cal. Ins. Code § 12414.29
The administration and enforcement of Article 5.5 (commencing with Section 12401) and Article 5.7 (commencing with Section 12402) of this chapter shall be governed solely by the provisions of this chapter. Except as provided in this chapter, no other law relating to insurance and no other provisions in this code heretofore or hereafter enacted shall apply to or be construed as supplementing or modifying the provisions of such articles unless such other law or other provision expressly so provides and specifically refers to the sections of such articles which it intends to supplement or modify. The provisions of this chapter and regulations adopted pursuant thereto shall constitute the exclusive regulation of the conduct of escrow and title transactions by entities engaged in the business of title insurance as defined in Section 12340.3, notwithstanding any local regulation or ordinance.
Ca. Ins. Code § 12414.29