A systematic reevaluation of taxable real property undertaken by the Assessor, whether of specific areas in which real property is located or of specific classes of real property to be assessed, shall be made only in accordance with a resolution or other act of the Borough directing a systematic reevaluation of all taxable property in the Borough over the shortest period of time practicable, as fixed in the resolution or act. (Ord. 86-080 § 6, 1986. 2004 Code § 3.08.045.)