The City shall administer and prosecute all actions and proceedings related to its local improvement districts in substantial compliance with the laws of the State of Washington, including Chapters 35.43 through 35.54 RCW, as the same may be amended from time to time. No City action taken in substantial compliance with then-applicable State statutes ever shall be invalidated for failure to comply with any provision of this chapter. (Ord. 64-03 § 1)