The Notes may be issued in excess of any statutory limitation as to debt and shall not operate to reduce the debt incurring power otherwise authorized for any such unit of government. This Act shall not be construed to limit in any manner the amount of debt which home rule units may incur under Sections 6 (a), (j) or (k) of Article VII of the Constitution of the State of Illinois nor shall this Act be construed as requiring a referendum to incur such debt.
50 ILCS 420/7