Sanction of prosecution.

(1) No prosecution for any offence punishable under this Act other than an offence referred to in sub-section (2) shall be instituted except with the previous sanction of the Authority or any officer authorised by the Authority. (2) No prosecution for any offence for failure to comply with the order of the officer referred to in sub-section (3) of section 43 and punishable under sub-section (5) of that section shall be instituted except with the previous sanction of the Director of Town Planning or any officer authorised by him in this behalf.