(1) In relation to an attachment of earnings order or an application for such an order, the District Court that made the order or to which the application is made may, before or at the hearing or while the order is in force -
(a) order the liable relative to give to the District Court, within a specified period, a statement in writing signed by him containing -
(i) the name and address of any person by whom earnings are paid to him,
(ii) specified particulars as to his earnings and expected earnings and as to his resources and needs, and
(iii) specified particulars for enabling the liable relative to be identified by any employer of his, and
(b) order that any person appearing to the District Court to have the liable relative in his employment to give to the Court, within a specified period, a statement signed by that person, or on his behalf, containing specified particulars of the liable relative's earnings and expected earnings.
(2) Notice of an application for an attachment of