Billions of dollars from the National Disability Insurance Scheme are lost each year to fraud or other "integrity leakage" issues that add up to about 8.3 per cent of its total cost, a parliamentary inquiry has heard.
Losses to scams, errors or other non-compliance are a major threat to the government's efforts to reduce spending growth in the fast-expanding scheme from over 10 per cent per year to just two per cent per annum over the next four years.
