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 eight of this article, protect and enforce any and all rights granted hereunder or under any such ordinance, order or trust indenture, and may enforce and compel performance of all duties required by the provisions of this article or by any such ordinance, order or trust indenture to be performed by the municipality or county commission, or by the governing body or any officer, including the making and collecting of reasonable and sufficient rates or charges for services rendered by the waterworks or electric power system. If there be default in the payment of the principal of or interest upon any of such bonds, or of both principal and interest, any court having jurisdiction shall appoint a receiver to administer said waterworks or electric power system on behalf of the municipality or county commission, and the bondholders or trustee, or both, with power to charge and collect rates 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 such receiver shall apply the revenues in conformity with the provisions of this article and the ordinance or order pursuant to which such bonds have been issued or any trust indenture, or both.