through the concerned Regional Office, a culture-sensitive Environmental Conservation and Protection Program (ECPP) stating in detail the environmental impact of such activities or projects proposed, control and rehabilitation measures and financial resource allocations therefor, implementation schedules, compliance guarantees, and evaluation and monitoring schemes. Within twenty (20) working days from receipt thereof, the concerned Regional Office shall conduct preliminary evaluation of the ECPP. Based on its findings, the Regional Office may order the ECPP to be revised and/or additional requirements may be imposed and/or other documents may be required. The concerned Regional office shall endorse the ECPP, with recommendations, to the Commission. Detailed guidelines for the preparation and implementation of the ECPPs shall be prescribed by the Commission based on principles underlying the ICCs/IPs framework for sustainable development of the ancestral domains and nationally-defined environmental standards. Section 7. Right to Claim Parts of Reservations. The dispossession of indigenous peoples from their ancestral domains/lands by operation of law, executive fiat or legislative action constitute a violation of the constitutional right to be free from the arbitrary deprivation of property. As such, ICCs/IPs have the right to claim ancestral domains, or parts thereof, which have been reserved for various purposes. a) Procedure for Reclaiming Ancestral Domains or Parts thereof Proclaimed as Reservations. (1) For purposes of the enforcement of this right, the NCIP shall review all existing Executive Orders, Administrative Orders, Presidential Proclamations covering reservations within ancestral domains to determine the actual use thereof. (2) Thereafter, it shall take appropriate steps to cause the dis-establishment of the reservation or the segregation and reconveyance of ancestral domains or portions thereof to the concerned ICCs/IPs. b) Conditions for Continued Use of Ancestral Domains as Part of Reservations. ICCs/IPs communities whose ancestral domains or portions thereof continue to be used as part of reservations, have the right to negotiate the terms and conditions thereof in a Memorandum of Agreement. The ICC/IP community may negotiate for such use, including the grant of benefits such as, but not limited to, preferential use of facilities in the area and free access to basic services being dispensed therefrom, through appropriate IP desks to be established by the administrator of the reservation. Section 8. Right to Resolve Conflicts According to Customary Laws. All conflicts pertaining to property rights, claims and ownership, hereditary succession and settlement of land disputes within ancestral domains/ lands shall be resolved in accordance with the customary laws, traditions and practices of the ICCs/IPs in the area where the conflict arises. If the conflict between or among ICCs/IPs is not resolved, through such customary laws, traditions and practices, the Council of Elders/Leaders who participated in the attempt to settle the dispute shall certify that the same has not been resolved. Such certification shall be a condition precedent for the filing of the complaint with the NCIP, through its Regional Offices for adjudication. Decisions of the NCIP may be brought on Appeal to the Court of Appeals by way of a Petition for Review. Part III. Rights of the ICCs/IPs to Their Ancestral Lands Section 1. Right to Transfer Land or Property. The various indigenous modes of acquisition and transfer of property between and among members of the ICCs/IPs shall be recognized as legal, valid and enforceable. Page 9