4.—(1) The Minister may make regulations prescribing any matter or thing which is referred to in this Act as prescribed or to be prescribed or for the purpose of enabling any provision of this Act to have full effect.

(2) Regulations under this Act may make different provisions in relation to different classes of employees or employers, different areas or otherwise by reference to the different circumstances of the matter.

(3) A regulation or order under this Act may contain such incidental, supplementary and consequential provisions as appear to the Minister to be necessary or expedient.

(4) The Minister may by order amend or revoke an order under this Act (including an order under this subsection).

(5) A regulation or order under this Act (other than an order under section 2) shall be laid before each House of the Oireachtas as soon as may be after it is made and, if a resolution annulling that regulation or order is passed by either such House within the next 21 days on which that House has sat after the regulation or order is laid before it, the regulation or order shall be annulled accordingly, but without prejudice to the validity of anything previously done thereunder.