Cal. Financial Code § 4901

(a) A California state bank may merge into a national banking association, a California federally licensed foreign (other nation) bank, or an insured foreign (other state) state bank pursuant to (1) this article, (2) in case the surviving bank is a national banking association or a California federally licensed foreign (other nation) bank, federal law, and (3) in case the surviving bank is a California federally licensed foreign (other nation) bank or an insured foreign (other state) state bank, the law of the foreign bank’s domicile. (b) A California industrial loan company may merge into an insured foreign (other state) industrial loan company pursuant to (1) this article and (2) the law of the foreign industrial loan company’s domicile. (c) A California state depository corporation of any class may merge into a federal depository corporation of another class, a California federally licensed foreign (other nation) bank, or an insured foreign (other state) state depository corporation of another class pursuant to (1) this article, (2) in case the surviving depository corporation is a federal depository corporation or a California federally licensed foreign (other nation) bank, federal law, and (3) in case the surviving depository corporation is a California federally licensed foreign (other nation) bank or an insured foreign (other state) state depository corporation, the law of the domicile of the foreign bank or foreign depository corporation.