Determines and defines the boundaries of ancestral domains and ancestral lands in accordance with the procedure prescribed in these Rules and Regulations, provides cartographic services and upon the final and official delineation of the ancestral domain/land, endorses the same to the Commission for the issuance of the appropriate titles thereto;
Conducts, upon the request of ICCs/IPs concerned, surveys of ancestral lands, verifies and approves parcellary or subdivision surveys of the same;
Issues, upon the free and prior informed consent of the ICCs/IPs concerned, certification prior to the grant of any license, lease or permit for the exploitation of natural resources affecting the interest of the ICCs/IPs and their ancestral domains;
Assists the ICCs/IPs in protecting the territorial integrity of each and every ancestral domain.
Coordinates and ensures the enforcement of policies and laws protecting the rights of ICCs/IPs to their ancestral domains and land, including the application of customary laws governing property rights and relations in determining ownership procedures and standards therefor; and for the purpose, seeks the assistance of appropriate government and non-government agencies;
Conducts census of the ICCs/IPs within an ancestral domain;
Keeps a registry of CADTs and CALTs or any formal certificate of recognition which officially and formally acknowledges the existence of ancestral domain rights over the area;
Compiles information on the location, size, and number of people living within the ancestral domains;
Reviews all government grants, reservations, franchises and projects, licenses, leases, concessions and titles which affect ancestral domains and recommends to the Commission the cancellation of the same or segregation of such portions within ancestral domains in order to reconvey the same to the ICCs/IPs concerned as part of the ancestral domains;
Formulates and implements such procedures for the cancellation of officially documented titles which were acquired through spurious or illegal means and those for the redemption of lands lost through the ICCs/IPs vitiated consent or through sale for an unconscionable price;
Establishes its own, or in cooperation with other government agencies a Geographic Information System that would assist ICCs/IPs in formulating Ancestral Domains Sustainable Development and Protection Plans;
Assists ICCs/IPs in the management of ancestral lands/domains in accordance with a master plan as well as the implementation of the Ancestral Domain Rights of the ICCs/ IPs as provided in Chapter III of the Act;
Conducts research and documentation on indigenous peoples property rights regimes, property relations, ownership systems and other related aspects of ancestral domains management; and,
Performs such other functions as the Commission may deem appropriate and necessary.