3Notwithstanding anything in the foregoing paragraphs of this Schedule, where the Board are satisfied that on the ground of the limited application of a proposed order it is unnecessary to comply with the provisions of those paragraphs and certify accordingly, the Board may, instead of complying with those provisions, give notice of the proposed order in such manner as appears to the Board expedient in the circumstances, and may make the order at any time after the expiration of seven days from the giving of the notice.