3.—(1) Where a power to make orders or rules is conferred by this Act, such orders or rules may be made either as respects all, or as respects any one or more, of the matters to which the power relates, and different provisions may be made by any such orders or rules as respects matters which are of different classes or descriptions.

(2) Every order or rule made under this Act shall be laid before each House of the Oireachtas as soon as may be after it is made and if a resolution annulling the order or rule is passed by either such House within the next twenty-one days on which the House has sat after the order or rule is laid before it, the order or rule shall be annulled accordingly, but without prejudice to the validity of anything previously done thereunder.

(3) As soon as may be after any order or rule is made under this Act notice of the making thereof, and of the place where copies thereof may be obtained, shall be published in the Journal.

(4) The power to make an order includes power to amend or revoke the order, except in the case of an order under section 1 (2).