Part IV of Schedule 1 to the Act of 1947 (which relates to the validity and date of operation of compulsory purchase orders under that Act) shall apply to the order as if it were a compulsory purchase order and as if this Act were included among the enactments specified in section 1(1) of that Act; and paragraph 15(1) of that Schedule shall have effect accordingly in relation to the order as if for the words “this Act”, in the third place where those words occur, there were substituted the words “Schedule 2 to the Water (Scotland) Act 1980”, and as if after the words “this Schedule”, in the second place where those words occur, there were inserted the words “or Schedule 2 to the Water (Scotland) Act 1980”: