Cal. Ins. Code § 12401

The purpose of this article is to promote the public welfare by regulating rates for the business of title insurance as herein provided to the end that they shall not be excessive, inadequate or unfairly discriminatory. It is the express intent of this article to permit and encourage competition between persons or entities engaged in the business of title insurance on a sound financial basis, and nothing in this article is intended to give the commissioner power to fix and determine a rate level by classification or otherwise.