When such report is finally confirmed or when such defendant or defendants have filed in such proceedings the statement or statements as provided by § 15.2-1910, the court shall, upon motion of any party to the proceedings, after notice to all other parties thereto, fix a reasonable time within which the city or county must complete the issuance and sale of its bonds, if the sale of bonds is necessary, or pay the money to the party or parties entitled thereto, or pay the same into the court. Such time so fixed may be extended by the court for good cause shown.