Cumulative authority.

The Statewide Economic Development Finance Act shall be deemed to provide an additional and alternative method for the accomplishment of the things authorized by that act, shall be interpreted as supplemental and additional to the powers conferred by other laws and shall not be regarded as in derogation of any powers now existing; provided that the issuance of bonds pursuant to the provisions of the Statewide Economic Development Finance Act need not comply with the requirement of any other law applicable to the issuance of bonds or notes.