Leo Varadkar (Dublin West, Fine Gael) | Oireachtas source

The €4.8 million was carried forward because paying for the helicopters is done through a milestone system which we had not yet reached. As work could not be done on Arklow Harbour, these surplus moneys were then carried forward. What used to happen in the past was that if Departments had moneys left over at the end of the year, they would often spend it in a hurry and badly.