This article is supplemental and additional to powers conferred by other laws, but the issuance of revenue bonds and revenue refunding bonds under the provisions of this article need not comply with the requirements of any other law applicable to the issuance of bonds. Except as otherwise expressly provided in this article, no power granted to the Authority under the provisions of this article is subject to the supervision or regulation of or requires the approval or consent of the Commonwealth, any locality or political subdivision of the Commonwealth, or any department, division, commission, board, body, bureau, official, or agency of any such locality or political subdivision.