The notes authorized by this chapter and the income therefrom shall be exempt from all taxation in the State of Mississippi, and the revenue derived by the issuer from the project shall be exempt from all taxation in the State of Mississippi. Any industrial enterprise shall not be exempt from ad valorem taxes on the project, except as is otherwise provided in Section 27-31-101 et seq., Mississippi Code of 1972, nor shall purchases required to establish projects and financed by note proceeds be exempt from taxation in the State of Mississippi.