The Corporation is authorized, upon such terms and conditions as it may prescribe, to borrow, to give security, to pay interest or other return, and to issue notes, debentures, bonds, or other obligations, or other securities, including without limitation mortgage-backed securities guaranteed by the Government National Mortgage Association in the manner provided in section
1721
(g) of this title. Any obligation or security of the Corporation shall be valid and binding notwithstanding that a person or persons purporting to have executed or attested the same may have died, become under disability, or ceased to hold office or employment before the issuance thereof.