(1) Where the erection of any building or execution of any work has been commenced or is being carried on (but has not been completed) without or contrary to the sanction referred to in section 241, or in contravention of any condition subject to which such sanction has been accorded or in contravention of any provisions of this Act or bye-laws made thereunder, the Chairperson may in addition to any other action that may be taken under this Act, by order require the person at whose instance the building or the work has been commenced or is being carried on to stop the same forthwith.
     (2) If an order made by the Chairperson under section 247 or under sub-section (1) of this section directing any person to stop the erection of any building or execution of any work is not complied with, the Chairperson may require any police officer to remove such person and all his assistants and workmen from the premises or to seize any construction material, tool, machinery, scaffolding or other things used in the erection of any building or execution of any work within such time as may be specified in the requisition and such police officer shall comply with the requisition accordingly.
     (3) Any of the things caused to be seized by the Chairperson under sub-section (2) shall be disposed of by him in the manner specified in section 230.
     (4) After the requisition under sub-section (2) has been complied with, the Chairperson may, if he thinks fit, depute by a written order a police officer or a municipal officer or other municipal employee of the Council to watch the premises in order to ensure that the erection of the building or the execution of the work is not continued.
     (5) Where a police officer or a municipal officer or other municipal employee has been deputed under sub-section (4) to watch the premises, the cost of such deputation shall be paid by the person at whose instance such erection or execution is being continued or to whom notice under sub-section (1) was given and shall be recoverable from such person as an arrear of tax under this Act.