Each unit shall be used as a residence only. No unit owner or occupant may maintain any household pet in his unit. Hurricane and similar shutters may be installed inside the screening on a Limited Common Element balcony or terrace. No unit owner shall cause or allow improvements or changes to any unit, limited common elements appurtenant thereto or common elements without obtaining the prior written consent of the Association. No nuisance shall be allowed on the Condominium Property. No unit owner shall cause anything to be affixed or attached to, hung, displayed, or placed on the exterior walls, doors or balconies or windows of the building. Boats, boat trailers, campers, trailers or buses and/or any commercial usage vehicle shall not park anywhere on the Condominium Property.