Protection and enforcement of rights of bondholders, etc.; receivership

Any holder of any bonds issued under the provisions of this article or of any coupons representing interest accrued thereon may by civil action, mandamus or other proper proceeding enforce the statutory mortgage lien created and granted in section seven of this article, protect and enforce any and all rights granted hereunder or under any such ordinance or trust indenture, and may enforce and compel performance of all duties required by the provisions of this article or by any ordinance or trust indenture to be performed by the municipality or by the governing body or any officer, including the making and collecting of reasonable and sufficient rates, fees or charges for services rendered by the combined system. If there be default in the payment of the principal of or interest upon any of bonds, or of both principal and interest, any court having jurisdiction shall appoint a receiver to administer said combined system on behalf of the municipality, and the bondholders or trustee, or both, with power to charge and collect rates, fees or charges sufficient to provide for the retirement of the bonds and pay the interest thereon, and for the payment of the repair, maintenance and operation expenses, and the receiver shall apply the revenues in conformity with the provisions of this article and the ordinance pursuant to which the bonds have been issued or trust indenture, or both.