Fin. Code, § 1489

A commercial bank may lend on the security of a first lien on real property or a first lien on a leasehold under a lease which does not expire, or which has been extended or renewed so that it does not expire, for at least 10 years beyond the maturity date of the loan, if the criteria of any of the following subdivisions are satisfied:

(a) The loan is fully guaranteed or insured or covered by a commitment to guarantee or insure by the United States, the Federal Housing Administrator, or by any other agency of the United States which the commissioner shall have approved for the purposes of this subdivision as an issuer of insurance or guarantees of loans on real property, whether the proceeds of the guarantee or insurance is payable in cash or in obligations of the United States.

(b) The loan is fully guaranteed by the United States or any agency thereof pursuant to the “Servicemen’s Readjustment Act of 1944” or any act of Congress supplementary or amendatory thereof, or, if a portion of the loan is so guaranteed, then if the unguaranteed portion of the loan does not exceed 80 percent of the sound market value of the property or leasehold for loan purposes as determined by proper appraisal.

(c) The loan is one in which the Small Business Administration cooperates through agreements to participate on an immediate or deferred basis under the Small Business Act, as amended.