NDIS expenses are entirely paid by the Commonwealth, through the NDIA. Funds are provided by Commonwealth appropriation.
From 1 July 2014, the Commonwealth collects the DisabilityCare Australia (DCA) levy, 0.5% of taxable income. The levy is an extension of the Medicare levy (1.5%). The DCA levy is paid into the DisabilityCare Australia Fund (DCA Fund), which is invested by the Future Fund Guardians. $825M of the DCA levy proceeds (just less than 25%) is reserved in 2014-15 to assist the States and Territories meet their NDIS obligations over time; this amount will be indexed in future years at 3.5% per annum.