The Minister shall, not earlier than 2 years and not later than 3 years after the commencement of this Act, after consultation with persons whom he or she considers to be representative of employers generally and persons whom he or she considers to be representative of employees generally, conduct a review of the operation of this Act and shall prepare a report in writing of the findings of the review and shall cause copies of the report to be laid before each House of the Oireachtas.