(a) Bonds issued under this chapter must bear the actual or facsimile signature of the housing finance corporation's officers designated in the resolution authorizing the bonds. The validity of a signature of an officer of the corporation is not affected by the fact that before the delivery of the bond or its payment, a person whose signature appears on the bond ceases to be an officer.
(b) The validity of the bonds is not dependent on or affected by the validity or regularity of any proceedings relating to the residential development or home mortgages for which the bonds are issued.
(c) The resolution authorizing the bonds may require that the bonds contain a statement that they are issued under this chapter. The statement is conclusive evidence of the validity of the bonds and the regularity of their issuance.