Cal. Financial Code § 10002

Notwithstanding Section 10001, and subject to Section 10003, on and after January 1, 1991, a foreign savings association may conduct the business of an association in California or may acquire control of a California savings association, and a foreign holding company may acquire control of a California savings association; provided that, if the commissioner determines that the laws, court decisions, or practices of the jurisdiction under which the foreign savings association is incorporated or, in the case of a foreign holding company, the holding company’s principal place of deposits, would operate to prohibit, restrict, condition, or otherwise limit a California savings association from conducting the business of, or acquiring control of, a savings association in the relevant jurisdiction pursuant to the laws, court decisions, or practices of that jurisdiction, a similar prohibition, restriction, condition, or limitation to be prescribed by regulation or order of the commissioner shall apply in California to the foreign savings association or foreign holding company.