Article I of the 1987 Philippine Constitution "The national territory comprises the Philippine archipelago, with all the islands and waters embraced therein, and all other territories over which the Philippines has sovereignty or jurisdiction, consisting of its terrestrial, fluvial and aerial domains, including its territorial sea, the seabed, the subsoil, the insular shelves, and other submarine areas. The waters around, between, and connecting the islands of the archipelago, regardless of their breadth and dimensions, form part of the internal waters of the Philippines."https://lawphil.net/consti/cons1987.htmlBatas Republika Blg. 3046 (Baseline Law) to define the baselines and the territorial sea of the Philippines. All waters within the baselines provided for in Republic Act No. 5446 are considered inland or internal waters of the Philippines. https://www.fao.org/faolex/results/details/en/c/LEX-FAOC032170/#:~:text=Philippines-,Republic%20Act%20No.,internal%20waters%20of%20the%20Philippines.Republic Act no. 5446 - nakasaad dito ang buong territorya ng bansang Pilipinas, lahat ng ng lupang sinasakop nito, gaano kalawak, at saan natatagpuan sa globo ng mundo. "SECTION 1. The baselines for the territorial sea of the Philippines are hereby defined and described specifically as follows: (insert table coordination of Philippine territory, described in latitude and longitude)" https://lawphil.net/statutes/repacts/ra1968/ra_5446_1968.html