18Period for compulsory purchase of lands
(1)The powers of the Executive for the compulsory acquisition of the lands which they are authorised to acquire by this Part of this Act shall not be exercised after the end of the period of five years commencing on the date of the passing of this Act.
(2)The powers of the Executive for the compulsory acquisition of the said lands shall for the purposes of this section be deemed to have been exercised when notice to treat has been served in respect of those lands.