(a) Except as expressly otherwise provided in this part, no proceeding, notice, or approval shall be required for the incorporation of the authority or the amendment of its certificate of incorporation, the acquisition of any property, water system, or fire protection facility, or the issuance of any mortgage and deed of trust or trust indenture.
(b) The authority, every water system or fire protection facility owned by the authority or leased or subleased to a county, and the rates and charges thereof shall be exempt from all jurisdiction of and all regulation and supervision by the Alabama Public Service Commission and neither a public hearing nor the consent of the State Department of Finance shall be prerequisite to any transaction between or with the authority and the county or between the authority or the county and any vendor, vendee, lessor, or lessee to or from the authority.