California Code, Financial Code - FIN § 1100

(a) Except as provided in subdivision (f), if the bank is, or is proposed to be, a commercial bank not authorized to engage in trust business, that the purpose of the corporation is to engage in commercial banking business and any other lawful activities which are not, by applicable laws or regulations, prohibited to a commercial bank.

(b) Except as provided in subdivision (f), if the bank is, or is proposed to be, a commercial bank authorized to engage in trust business, that the purpose of the corporation is to engage in commercial banking business and trust business and any other lawful activities which are not, by applicable laws or regulations, prohibited to a commercial bank authorized to engage in trust business.

(c) Except as provided in subdivision (f), if the bank is, or is proposed to be, an industrial bank not authorized to engage in trust business, that the purpose of the corporation is to engage in industrial banking business and any other lawful activities which are not, by applicable laws or regulations, prohibited to an industrial bank.

(d) Except as provided in paragraph (f), if the bank is, or is proposed to be, an industrial bank authorized to engage in trust business, that the purpose of the corporation is to engage in industrial banking business and trust business and any other lawful activities which are not, by applicable laws or regulations, prohibited to an industrial bank authorized to engage in trust business.

(e) In case the bank is, or is proposed to be, a trust company (other than a commercial bank authorized to engage in trust business), that the purpose of the corporation is to engage in trust business and any other lawful activities which are not, by applicable laws or regulations, prohibited to a trust company.

(f) If the bank is, or is proposed to be, a public bank, the articles shall set forth a statement of purpose that is prescribed in subdivision (a) or (b) of Section 57601 of the Government Code.