Cal. Ins. Code § 12640.13

(a) No mortgage guaranty insurer shall pay to any person who is acting as agent, representative, attorney or employee of the owner, mortgagee of the prospective owner, or mortgagee of the real property or any interest therein, either directly or indirectly, any commission, or any part of its premium charges or any other consideration as an inducement for or as compensation on any mortgage guaranty insurance business.
(b) Notwithstanding subdivision (a), or the provisions of Section 751, activities of mortgage guaranty insurers in dealing with the secondary mortgage market, which are made available to the mortgage lending industry, whether insureds or not, shall not be deemed to be unlawful rebates or commissions. Included, but not limited to such activities, are the following:
1. (1) Services provided for the purpose of assisting in the purchase or sale of mortgage loans in the secondary market.
2. (2) Preparation of forms necessary for the sale of mortgage loans in the secondary mortgage market.
3. (3) Educational seminars dealing with issues affecting the mortgage lending industry.