California Code, Financial Code - FIN § 7450

(a) An association may make any loan authorized by this division, but the association shall first determine that the type, amount, purpose, and repayment provisions of the loan in relation to the borrower's resources and credit standing support the reasonable belief that the loan will be financially sound and will be repaid according to its terms, and that the loan is not otherwise unlawful.

(b) Subject to any regulations of the commissioner, an association may make or acquire loans directly or indirectly to or from any director, officer, affiliated person, or any parent or subsidiary.  Loans made or acquired, directly or indirectly, the proceeds of which are intended to inure or have inured to the benefit of these parties are subject to the same regulations.