Mass. Gen. Laws ch. 161B, § 20: Rights of bondholders and trustee; enforcement proceedings

Section 20. Any holder of bonds issued under the provisions of this chapter or of any of the coupons appertaining thereto, and the trustee under the trust agreement, if any except to the extent the rights herein given may be restricted by such resolution or trust agreement, may, either at law or in equity, by suit, action, mandamus or other proceedings, protect and enforce any and all rights under the laws of the commonwealth or granted hereunder or under such resolution or trust agreement, and may enforce and compel the performance of all duties required by this chapter or by such resolution or trust agreement to be performed by the authority or by any officer thereof.