Cal. Government Code § 53648

Notwithstanding this article, the treasurer may deposit moneys in, and enter into contracts with, a state or national bank, savings association or federal association, federal or state credit union, or federally insured industrial loan company, pursuant to a federal law or a rule of a federal department or agency adopted pursuant to the law if the law or rule conflicts with this article in regulating the payment of interest on deposits of public moneys by any of the following: (a) Banks which are Federal Reserve System members or whose deposits are insured by the Federal Deposit Insurance Corporation. (b) Savings associations or federal associations which are federal home loan bank members or whose deposits are insured by the Federal Savings and Loan Insurance Corporation. (c) State or federal credit unions whose accounts are insured by the National Credit Union Share Insurance Fund or guaranteed by the California Credit Union Share Guaranty Corporation or insured or guaranteed pursuant to Section 14858 of the Financial Code, unless a member of the legislative body of a local agency, or any person with investment decisionmaking authority of the administrative office, manager’s office, budget office, auditor-controller’s office, or treasurer’s office of the local agency, also serves on the board of directors, or any committee appointed by the board of directors, or the credit committee or supervisory committee, of the state or federal credit union. (d) A federally insured industrial loan company.