Justice Carpio outlines how the Philippines uses archipelagic and normal baselines under UNCLOS and existing law to measure maritime zones, and explains why issuing and publishing official nautical charts is key to asserting sovereign rights.
Justice Carpio explains why the Philippines’ territorial claim in the South China Sea is confined to the Kalayaan Island Group and criticizes legislative proposals that seek to expand claims to the wider Spratly Islands in ways inconsistent with international law.