and recognized. It shall ensure that capacity building mechanisms are instituted and ICCs/IPs are afforded every opportunity, if they so choose, to participate in all levels of decision-making. It shall likewise ensure that the basic human rights, and such other rights as the NCIP may determine, subject to existing laws, rules and regulations, are protected and promoted; f) Administrative Office - The Administrative Office shall provide the NCIP with economical, efficient and effective services pertaining to personnel, finance, records, equipment, security, supplies and related services. It shall also administer the Ancestral Domains Fund; and g) Legal Affairs Office- There shall be a Legal Affairs Office which shall advice the NCIP on all legal matters concerning ICCs/IPs and which shall be responsible for providing ICCs/IPs with legal assistance in litigation involving community interest. It shall conduct preliminary investigation on the basis of complaints filed by the ICCs/IPs against a natural or juridical person believed to have violated ICCs/UPs rights. On the basis of its findings, it shall initiate the filing of appropriate legal or administrative action to the NCIP. SEC. 47. Other Offices. - The NCIP shall have the power to create additional of offices it may deem necessary subject to existing rules and regulations. SEC. 48. Regional and Field Offices. - Existing regional and field offices shall remain to function under the strengthened organizational structure of the NCIP. Other field offices shall be created wherever appropriate and the staffing pattern thereof shall be determined by the NCIP: Provided, That in provinces where there are ICCs/IPs but without field of offices, the NCIP shall establish field offices in said provinces. SEC. 49. (office of the Executive Director. - The NCIP shall create the Office of the Executive Director which shall serve as its secretariat. The office shall be headed by an Executive Director who shall be appointed by the President of the Republic of the Philippines upon recommendation of the NCIP on a permanent basis. The staffing pattern of the office shall be determined by the NCIP subject to existing rules and regulations. SEC. 50. Consultative Body. - A body consisting of the traditional leaders, elders and representatives from the women and youth sectors of the different ICCs/IPs shall be constituted by the NCIP from time to time to advise it on matters relating to the problems, aspirations and interests of the ICCs/IPs. CHAPTER VIII DELINEATION AND RECOGNITION OF ANCESTRAL DOMAINS SEC. 51. Delineation and Recognition of Ancestral Domains. -Self-delineation shall be the guiding principle in the identification and delineation of ancestral domains. As such, the ICCs/IPs concerned shall have a decisive role in all the activities pertinent thereto. The Sworn Statement of the Elders as to the scope of the territories and agreements/ pacts made with neighboring ICCs/IPs, if any, will be essential to the determination of these traditional territories. The Government shall take the necessary steps to identify lands which the ICCs/IPs concerned traditionally occupy and guarantee effective protection of their rights of 15