(A) The Commission may adopt the Plan as a whole, by a single resolution, or by successive resolutions adopt successive parts of the Plan, such corresponding with major geographical sections or divisions of the city, or with functional subdivisions of the subject matter of the Plan, and may adopt any amendment, or extension thereto, or additions thereto.
(B) Before the adoption of the Plan, or any such part, amendment, extension or addition, the Commission shall hold at least one public hearing thereon, notices of the time and place of which shall be given not less than 15 days prior to such hearing by one publication in a newspaper of general circulation in the city and by registered United States Mail to each public utility or railroad company owning or operating any public utility or railroad within the geographical sections or divisions of the city affected.
(C) The adoption of the Plan, or any such part or amendment, extension or addition, shall be by resolution of the Commission carried by the affirmative votes of not less than six members of the Commission. The resolution shall refer expressly to the maps and descriptive matter intended by the Commission to form the whole or part of the Plan, and the action taken shall be recorded on the map and Plan and descriptive matter intended by the Commission to form the whole or part of the Plan, and the action taken shall be recorded on the map and Plan and descriptive matter by the identifying signatures of the Chairperson and/or Secretary of the Commission. An attested copy of the Plan or part thereof shall be certified to the City Commission and to the County Register of Deeds.
(1990 Code, § 5.358)