21.—(1) Subject to paragraph (2), where an application for planning permission is made to the Department, the Department—
(a)shall publish notice of the application in at least one newspaper circulating in the locality in which the land to which the application relates is situated; and
(b)shall not determine the application before the expiration of 14 days from the date on which notice of the application is first published in a newspaper in pursuance of sub-paragraph (a).
(2) A development order may provide that paragraph (1) shall not apply to an application for planning permission for development of any class specified by the order.
(3) Where an application for planning permission for development of a class specified under paragraph (2) is made to the Department, the Department shall not determine the application before the expiration of 21 days from the date on which it is received by the Department.