The foregoing sections of this chapter shall be deemed to provide a complete, additional and alternative method for the doing of the things authorized thereby and shall be regarded as supplemental and additional to powers conferred by other laws; provided the issuance of bonds or notes and refunding bonds or notes under this chapter need not comply with the requirements of any other law applicable to the issuance of bonds or notes. Except as otherwise expressly provided in this chapter, none of the powers granted to the Authority under this chapter shall be subject to the supervisions or regulation or require the approval or consent of any municipality or political subdivision or any department, division, commission, board, body, bureau, official or agency thereof or of the State.