Conn. Gen. Stat. § 16-43a: Validity of securities issued pursuant to order of authority.

Any stock, notes, bonds or other evidences of indebtedness or securities of any nature issued or sold pursuant to or in reliance on and in accordance with any order, authorization or decision of the Public Utilities Regulatory Authority pursuant to this title shall be valid and binding in accordance with their terms notwithstanding such order, authorization or decision of the authority is later vacated, modified, or otherwise held to be wholly or partly invalid, unless operation of such order, authorization or decision of the authority has been stayed or suspended by the authority or the reviewing court prior to such issuance.