17.—(1) This Article applies if the Department issues a decision document which contains a correctable error.
(2) The Department may correct the error—
(a)if it is requested to do so in writing by any person;
(b)if it sends a statement in writing to the applicant which explains the error and states that it is considering making the correction.
(3) But the Department shall not correct the error unless—
(a)not later than the end of the relevant period it receives a request mentioned in paragraph (2)(a) or sends a statement mentioned in paragraph (2)(b); and
(b)it obtains the appropriate consent.
(4) The relevant period is the period specified for the purposes of paragraph (3)(a) in a development order.
(5) The appropriate consent is—
(a)the consent in writing of the applicant;
(b)if the applicant is not the owner of the land in respect of which the decision was made, the consent in writing of both the applicant and the owner.
(6) But consent is not appropriate consent if it is given subject to a condition.