Cal. Fin. Code § 1551

Any commercial bank or industrial bank, with the prior authorization of the commissioner, may engage in the trust business, if its articles comply with the requirements of subdivision (b) of Section 1100. Any bank so authorized shall, in the conduct of its trust business, comply with and be governed by all of the provisions of this chapter, except the provisions of Section 1580. An application for such authorization shall be in such form and contain such information as the commissioner may require, and be accompanied by a fee of one thousand dollars ($1,000).