Section 212(5) in The Himachal Pradesh Municipal Corporation Act, 1994
(5)Where no appeal has been preferred against an order of demolition made by the municipality under section 211 or where an order of demolition made by the municipality under that section has been confirmed on appeal, whether with or without variation the person against whom the order has been made shall comply with the order within the period specified therein or, as the case may be, within the period, if any fixed by the District Judge on appeal, and on the failure of the person to comply with the order within such period, the Executive Officer may himself cause the erection of the work to which the order relates to be demolished and the expenses of such demolition shall be recoverable from such person as an arrear of tax under this Act.