When, in the opinion of the Board, found and determined by resolution, by reasons of delinquencies or threatened delinquencies, or by reasons of changes in interest rates, the economy and general welfare of the owners of property within an assessment district will be served thereby, proceedings for refunding or advance refunding of outstanding assessment bonds may be had pursuant to this Subdivision.
(Added by Ord. 225-81, App. 5/5/81)