California Code, Labor Code - LAB § 3354

Employers of employees defined by subdivision (d) of Section 3351 shall not be subject to the provisions of Sections 3710, 3710.1, 3710.2, 3711, 3712, and 3722, or any other penalty provided by law, for failure to secure the payment of compensation for such employees.

This section shall not apply to employers of employees specified in subdivision (b) of Section 3715, with respect to such employees.