To serve as the primary government agency through which ICCs/IPs can seek government assistance and as the medium, through which such assistance be extended;
To review and assess the conditions of ICCs/IPs including existing laws and ideas pertinent thereto and to propose relevant laws and policies to address role in national development;
To formulate and implement policies, plans, programs and projects for the economic, social and cultural development of the ICCs/IPs and to monitor the implementation thereof;
To request and engage the services and support of experts from other agencies of government or employ private experts and consultants as may be required in the pursuit of its objectives;
To issue certificate of ancestral land/domain title;
Subject to existing laws, to enter into contracts, agreements, arrangement, with government or private agencies or entities as may be necessary to attain objectives of this Act, and subject to the approval of the President, to obtain loans from government lending institutions and other lending institutions to finance its programs;
To negotiate for funds and to accept grants, donations, gifts and/or properties in whatever form and from whatever source, local and international, subject to the approval of the President of the Philippines, for the benefit of ICCs/IPs and administer the same in accordance with the terms thereof or in the absence of any condition, in such manner consistent with the interest of ICCs/IPs as well as existing laws;
To coordinate development programs and projects for the advancement of ICCs/IPs and to oversee the proper implementation thereof;
To convene periodic conventions or assemblies of IPs to review, assess as well as propose policies or plans;
To advise the President of the Philippines on all matters relating to the ICCs/IPs and to submit within sixty (60) days after the close of each calendar year, a report of its operations and achievements;
To submit to Congress appropriate legislative proposals intended to carry out the policies under this Act;
To prepare and submit the appropriate budget to the Office of the President;
To issue appropriate certification as a pre-condition to the grant of permit, lease, grant, or any other similar authority for the disposition, utilization, management and appropriation by any private individual, corporate entity or any government agency, corporation or subdivision thereof or any part or portion the ancestral domain taking into consideration the consensus approval of the ICCS/IPs concerned;
To decide all appeals from the decisions and acts of all the various offices within the Commission;
To promulgate the necessary rules and regulations for the implementation of this Act;
To exercise such other powers and functions as may be directed by the President of the Republic of the Philippines; and
To represent the Philippine ICCs/IPs in all international conferences and conventions dealing with indigenous peoples and other related concerns.