(1) The final action of a county tax appeal board upon applications shall be entered in the record by order on forms prescribed by the Montana Tax Appeal Board. The orders shall specify the changes to be made in the assessment roll.

(2) A signed copy of a board's order shall be mailed to the applicant and to the property assessment division of the department of revenue within 3 days following the signing of the order.

(3) With respect to personal property, the decision of the county tax appeal board shall be final and binding on all interested parties for the tax year in question unless reversed or modified upon review by the Montana Tax Appeal Board.

(4) With respect to taxable real property and improvements thereon, the decision of a county tax appeal board shall be final and binding unless reversed or modified upon review by the Montana Tax Appeal Board. If the decision, of the county tax appeal board is not reviewed by the Montana Tax Appeal Board, it shall be final and binding on all interested parties for all subsequent tax years unless there is a change in the property itself or circumstances surrounding the property which affect its value. Statutory reappraisal by the Department of Revenue pursuant to 15-7-111, MCA, is a circumstance affecting the value of real property and improvements thereon.