Whenever an assessment, deficit assessment or reassessment for any improvement which has been or may be hereafter made by the city has been or shall be hereafter set aside annulled, declared or rendered void or its enforcement refuted by any court of this state or any federal court having jurisdiction thereof, whether directly or by virtue of any decision of such court, or when the Council shall be in doubt as to the validity of such assessment, deficit assessment or reassessment or any part thereof, the Council may make a new assessment or reassessment. Such reassessment shall be made in the manner provided by Sections 223.405 — 223.485, Oregon Revised Laws, as now or hereafter amended. (Ord. 2-1961 § 19, 1961.)