 Alternatively, they may nominate an existing corporation to become the RNTBC as long as it is already incorporated under the CATSI Act and complies with the provisions of the NTA.Importantly, it must have, among its purposes, the purpose of becoming an RNTBC.Where native title groups have received financial settlements, RNTBCs may become part of a corporate structure which can include charitable trusts, companies, and other Aboriginal or Torres Strait Islander corporations, each of which may perform different or similar functions to achieve the objectives of the native title group and some of which may be incorporated under the Commonwealth Corporations Act 2001 which applies to the broader Australian community.