(1)   Two prints of three line profiles of streets to be dedicated, indicating the grades thereon, shall be required by the planning commission for plats submitted where street grades are more than five percent.

(2)   Certificate stating that all taxes and encumbrances have been paid shall be submitted with the final plat.

(3)   If private restrictions are to be filed affecting the subdivision or any part thereof, two copies shall be submitted to the planning commission with the final plat.