(1) A scope of permission notice must specify a period of not less than three months from the date on which the notice is given as the period within which the recipient must notify the Authority either -
(a) that he agrees with the matters stated in the notice; or
(b) that for specified reasons he disagrees with the matters stated in the notice.
(2) A person who receives a scope of permission notice must notify the Authority in accordance with paragraph (1) within the period specified in the notice.
(3) A scope of permission notice may be withdrawn and replaced by another such notice at any time before notification has been given under paragraph (2) as respects the first notice.