Hendra K
Universitas Dirgantara Marsekal Suryadarma, Jakarta, Indonesia

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Jurdical Analysis of China’s Nine-Dash Line Claim to Indonesia’s Sovereign Rights in the North Natuna Sea Based on International Law of the Sea Hendra K; Sujono; Bambang Widarto
Siber International Journal of Advanced Law (SIJAL) Vol. 4 No. 2 (2026): Siber International Journal of Advanced Law (October - December 2026)
Publisher : Siber Nusantara Review & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sijal.v4i2.430

Abstract

This research is motivated by China's "Nine-Dash Line" claim, which raises legal issues regarding Indonesia's sovereign rights in the North Natuna Sea and tests the effectiveness of international law of the sea. The study aims to analyze the legal basis and legitimacy of the Nine-Dash Line claim under the 1982 UNCLOS, as well as Indonesia's legal position in upholding its sovereign rights. A normative-juridical research method is employed, utilizing statutory, conceptual, and case-based approaches through the study of primary, secondary, and tertiary legal materials. The findings indicate that the Nine-Dash Line claim lacks a legal basis capable of overriding the 1982 UNCLOS regime, particularly the provisions concerning the Exclusive Economic Zone. The 2016 South China Sea arbitration ruling reinforces the rejection of claims to historic rights that exceed maritime entitlements under UNCLOS. Indonesia holds a strong legal position to defend its sovereign rights through law enforcement, diplomacy, and regional international cooperation.