Neither the directors nor any person executing securities issued under the Solid Waste Authority Act shall be liable personally on the securities by reason of the issuance thereof. Securities issued pursuant to that act shall not be in any way a debt or liability of the state or of any municipality or other public body and shall not create or constitute any indebtedness, liability or obligation of the state or of any such municipality or other public body, either legal, moral or otherwise, and nothing contained in that act shall be construed to authorize the authority to incur any indebtedness on behalf of or in any way to obligate the state or any municipality or other public body, except the authority and except as otherwise expressly stated or necessarily implied in that act.