§ 70. Amendments of defects. The special term of the supreme court, in the judicial district in which the property affected by the proceeding is situated, at any time may amend any defect or informality in any notice, petition, pleading, order or decree in a proceeding instituted under this chapter or cause property affected by such defect, informality or lack of jurisdiction to be excluded therefrom or other property affected by such defect, informality or lack of jurisdiction to be included therein, by amendment, upon notice published twice a week for two weeks in two public newspapers, published in such city, and may direct such further notices to be given to any party in interest as it shall deem proper.