The association is authorized, subject to the provisions of any prior resolution or trust indenture, to provide by resolution for the issuance of refunding bonds of the association for the purpose of refunding any bonds issued under this part and then outstanding, together with accrued interest thereon. The issuance of such refunding bonds, the maturities and all other details thereof, the rights of the holders thereof, and the duties of the association in respect to the same shall be governed by this part insofar as the same may be applicable.