4.—(1) An application made to the Department for reconsideration of a determination that a payment should or should not be made must—
(a)be made within one month of the date of notification of the determination; and
(b)specify the ground for the request and give such other relevant information as the Department may require in order to deal adequately with the reconsideration.
(2) The Department may, at any time, in writing, institute a reconsideration of a determination that a payment should or should not be made.