The Referendum Act 1998 (No. 1/1998) is an act of the Oireachtas which modified how referendums are carried out in Ireland. The act was necessary following the McKenna case where the Supreme Court of Ireland held that the spending of public money on constitutional referendums to support the government-approved side was unconstitutional. To rectify the imbalance, this act was introduced. The main provision of which was to allow for the establishment of a Referendum Commission prior to polls.