No mortgage guaranty insurer shall make any rebate of any portion of the premium charge shown by the schedule required by Section 12640.12. No mortgage guaranty insurer shall quote any premium charge to any person which is less than that currently available to others for the same type of mortgage guaranty insurance policy. The amount by which any premium charge is less than that called for by the current schedule of premium charges is an unlawful rebate.
Ca. Ins. Code § 12640.14