At least ten (10) days prior to the date of the scheduled hearing:
(a) Development Staff shall cause notices stating the time, place, and object of the hearing to be:
(1) Served personally or by mail addressed to the parties making the request for appeal. All notices shall be sent to addresses given in the last assessment roll or as indicated on the application.
(2) Advertised by one (1) publication in one or more newspapers of general circulation in the City at least ten (10) days before the date of such hearing.
(b) The administrative body at its discretion may send out further notices to publicize such hearings.