Cal. Financial Code § 4881

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