In exercising its powers and duties, the authority and the cities and counties comprising the authority shall be vested with and be subject to the same powers, duties and limitations as provided by Act No. 206 of the Public Acts of 1957, as amended, being section 259.621 to 259.631 of the Compiled Laws of 1948 and Act No. 327 of the Public Acts of 1945, as amended, being section 259.1 to 259.208 of the Compiled Laws of 1948 unless the provisions of this act are applicable. When the provisions of this act or any act which the authority or the counties comprising the authority are subject to calls for an election or the submission of an issue or proposition to the election process, the provisions of Act No. 116 of the Public Acts of 1954, as amended, being section 168.1 to 168.992 of the Compiled Laws of 1948, shall apply unless provisions of this act are applicable.