5. (1) After the expiry of a period for objection to be mentioned in a notification under section 3 the Government shall consider the objections and suggestions, if any, receive by it and thereafter shall, by notification, declare its intention either wholly to refrain from imposing the improvement levy or to impose the same in the area concerned or in a specified part thereof, whereupon the area in respect of which the Government has by such a notification declared its intention to impose the improvement levy shall be deemed for the purposes of this Act, to be a notified area.(2) The Government may, so far as may be in the manner hereinbefore provided, from time to time include in or exclude from any notified area any area which, in the opinion of the Government has benefited or has not benefited, as the case may be, from the improvement work.