All property owners with Landmark properties or with property located in a Historic Districts wanting to make changes to the exterior of the properties must receive approval from the Belvidere Historic Preservation Commission in the form of a Certificate of Appropriateness prior to making any changes.
 
The completed application for a Certificate of Appropriateness shall be submitted to the planning department with supporting documents (photographs, drawings, sample materials) of the current conditions and the proposed changes by the Third Tuesday of the month.