Neither this chapter nor anything contained in this chapter shall be construed as a restriction or limitation upon any powers the corporation might otherwise have under any laws of this state, but shall be construed as cumulative of any such powers. No proceedings, notice or approval shall be required for the organization of the corporation or the issuance of any bonds or any instrument as security for the bonds, except as provided in this chapter, any other law to the contrary notwithstanding; provided, that nothing herein shall be construed to deprive the state and its governmental subdivisions of their respective police powers over properties of the corporation, or to impair any power over the properties of the corporation of any official or agency of the state and its governmental subdivisions that may be otherwise provided by law.