Section 269(1) in The Punjab Municipal Corporation Act, 1976
(1)Where the erection of any building or execution of any work has been commenced, or is being carried on or has been completed without or contrary to the sanction referred to in section 262 or in contravention of any condition subject to which such sanction has been accorded or in contravention of any of the provisions of this Act or bye-laws made thereunder, the Commissioner may, in addition to any other action that may be taken under this Act, make an order directing that such erection or work shall be demolished by the person at whose instance the erection or work has been commenced or is being carried on or has been completed within such period (not being less than three days from the date on which a copy of the order of demolition with a brief statement of the reasons therefor has been delivered to that person) as may be specified in the order of demolition :Provided that no order of demolition shall be made unless the person has been given by means of a notice served in such manner as the Commissioner may think fit, a reasonable opportunity of showing cause why such order should not be made :Provided further that where the erection or work has not been completed, the Commissioner may by the same order or by a separate order, whether made at the time of the issue of the notice under the first proviso or at any other time, direct the person to stop the erection of work until the expiry of the period within which an appeal against the order of demolition, if made may be preferred under sub-section (2).
