(1) Whenever the Trust decides to frame a scheme for any urban area, the State Government may, at the request of the Trust, issue a notification specifying such area and declaring that the Trust has decided to frame a scheme for such area.
(2) A notification under sub-section (1) shall remain in force for six months from the publication thereof: Provided that the State Government may. for sufficient reasons, extend the said period by a further period not exceeding six months.
(2A) Where in the opinion of the State Government, it is necessary so to do in public interest, it may, by order published in the Official Gazette, extend the period of the notification issued under sub-section (1) for such further period as it thinks fit, notwithstanding that the period of the notification or the extended period thereof under the provisions of sub-section
(2) has expired. An order under this section may be made so as to be retrospective with effect on and from a date next following the expiration of the period of the notification or the extended period thereof under sub-section (2).
(3) If the sanction of a scheme is notified in accordance with section 38 in respect of such area before the expiry of the notification under this section, such notification shall continue in force until the scheme is carried out. '
(4) During the period that a notification under this section remains in force in respect of any urban area, no building shall be erected, re-erected, altered or added within that area without the written sanction of the Trust.