(a) If covenants related to the department’s bonds or the trust indentures governing the bonds specify one or more depositories or set out a method of selecting depositories different from the method required by this subchapter, the covenants prevail regarding the funds to which they apply and the funds are not required to be deposited with the Texas Treasury Safekeeping Trust Company.
(b) Bonds of the housing finance division issued under trust indentures executed or resolutions adopted on or after September 1, 1991, may not include a covenant that interferes with the deposit of funds in the Texas Treasury Safekeeping Trust Company.