Whenever any assessment, deficit or reassessment for any improvement which has been made by the city has been, or shall be, set aside, annulled, declared or rendered void, or its enforcement restrained by any court of this state, or any federal court having jurisdiction thereof, or when the council shall be in doubt as to the validity of such assessment, deficit assessment, or reassessment, or any part thereof, then the council may make a reassessment in the manner provided by the laws of the state of Oregon. (Ord. 1085 § 17, 1958)