5.—(1) Subject to paragraph (3), a planning authority must notify every interested party in accordance with this regulation that an application has been made.
(2) The notice to be given in accordance with paragraph (1) must—
(a)state the name of the applicant;
(b)describe the planning obligation and the relevant instrument within which it is contained and state that an application for modification or discharge of the obligation has been made;
(c)be accompanied by a copy of the application; and
(d)state that representations may be made to the planning authority and include information as to how any representations may be made and by which date they must be made (being a date not earlier than 21 days after service of the notice).
(3) The planning authority are not required to make any investigation as to the identity or whereabouts of an interested party and it shall be sufficient for the purposes of this regulation that notice is given to those persons detailed in the statement referred to in regulation 3(2)(h) at the address given in that statement.