Not later than 30 days prior to the date of the public hearing required in Section 13.18.040(C) above, notice of the public hearing shall be mailed or delivered personally to affected property owners and/or business owners within the proposed district boundaries. The notice shall state the proposed intention to construct or undertake the economic improvement project and to assess benefited property or impose a participant fee for a part or all of the cost. The notice shall state the time and place of the public hearing, and that a copy of the economic improvement plan is available for review from the City Recorder.