Every preservation ordinance proposed by a preservation study committee and enacted by a county board pursuant to this Division is required, at a minimum, to contain the following elements:
     (1) Establishment of a preservation commission;
     (2) Standards or criteria for determining the historic archaeological, architectural, or scenic significance of buildings, structures, objects, areas, sites or landscapes; and procedures for recommending designation by ordinance of landmarks or preservation districts;
     (3) Definitions of important words and phrases used in the ordinance;
     (4) Procedures for the appointment of officers and the succession of preservation commission members;
     (5) Procedures for review by the preservation commission of proposed zoning amendments, variations and special use applications submitted to a county regional planning commission or board of appeals;
     (6) Procedures and general criteria for review by the preservation commission of significant alteration, construction, demolition and removal that affects pending and designated landmarks and preservation districts and for the issuance of certificates of appropriateness;
     (7) Procedures for establishing guidelines interpreting the general criteria for review of actions required by paragraph (6) above as those criteria relate to specific designated landmarks or categories of designated landmarks, and to designated preservation districts;
     (8) Procedures and standards for a property owner to demonstrate the economic hardship from the denial of an application for an alteration, construction, demolition or removal, and for lessening the effect of any denial determined by a preservation commission or a county board to deny a property owner all reasonable use of, or a return on, a landmark or property within a preservation district;
     (9) Fees for the filing of any nomination or application and penalties for the violation of any provisions of the preservation ordinance.