The GCA provides for the establishment of the ADBT for the purposes of promoting and benefiting the general welfare of the Native Title Groups and Communities by:

• Receiving, holding, managing, investing, allocating, distributing and accounting for moneys contributed to the ADBT and any income thereof in accordance with the Schedule and Trust Deed;
• Encouraging the development of businesses by members of the Native Title Groups and the Communities by providing, without limitation, loans or grants, assistance in business skills training, start-up funding for small businesses and finance for equity in other ventures and land purchases.

GCA defines Communities as collectively:

(a) The Native Title Groups (Waanyi People, Mingginda People, and Gkuthaarn and Kukatj People respectively, each for and in respect of their traditional country); and

(b) Other Aboriginal people residing in the local government areas of Burke, Carpentaria, Doomadgee and Mornington Island.