It shall be the responsibility of the commission to hear all applications for zone changes and changes in the zoning ordinance, as prescribed by law and this ordinance, and to recommend action to the city council. The commission has authority to approve conditional uses under the provisions of section 6.15. The commission has no authority to approve variances from the requirements of this ordinance. Requests for variances shall be presented to the building official and if within the province of section 11.2, the request shall be sent forward to the board of adjustment for hearing.

The building official is charged with the interpretation of and the enforcement of this ordinance. Appeals from a decision of the building official shall be presented to the building official who shall forward such appeal with all pertinent information to the board of adjustment for hearing.

The board of adjustment shall hear and decide all questions on appeal from decisions of the building official and all other questions as provided in section 11.2, Powers and duties of the board of adjustment.

The city council has sole responsibility for changes in the zoning map and changes in the zoning ordinance. The city council shall not hear complaints of or decide questions of interpretation or enforcement that are reserved for the board of adjustment.

The city council shall also have the responsibility of appointing the planning and zoning commission and the board of adjustment.