Natural Resources Laws
Section 18. Reservations in forest lands and offshore areas. - The President of the Philippines may establish within any lands of the public domain, forest reserve and forest reservation for the national park system, for preservation as critical watersheds, or for any other purpose, and modify boundaries of existing ones. The Department Head may reserve and establish any portion of the public forest or forest reserve as site or experimental forest for use of the Forest Research Institute.
When public interest so requires, any offshore area needed for the preservation and protection of its educational scientific, historical, ecological and recreational values including the marine life found therein, shall be established as marine parks.