A large amount of the tax funded cost of living packages.
Corporation Tax receipts for this year will surpass last year's 22.6 billion euro, according to the Department of Finance.
However, a leading economist says Ireland benefits from tax paid by a small number of firms, which makes it vulnerable in the future.
A large amount of the tax, funded much of the cost of living packages unveiled on budget day.
Economist Colm McCarthy says there is apprehension over the security of this windfall:

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