Maritime Boundary Agreement between Australia and Indonesia (1972) Download

Timor Gap Treaty between Australia and Indonesia (1989) (not in force) Download

EEZ Agreement between Australia and Indonesia (1997) (signed but not ratified) Download

Timor Sea Treaty between Australia and Timor-Leste (2002) (now amended by CMATS) Download

International Unitisation Agreement between Australia and Timor-Leste (2003) Download

Certain Maritime Arrangements in the Timor Sea (CMATS) Agreement between Australia and Timor-Leste (2006) Download

Treaty between Timor-Leste and Australia establishing their maritime boundaries in the Timor Sea (2018) Download

Timor-Leste Maritime Boundary Map (2018) Download

Related publications

Maritime Space Database, containing numerous examples concerning deposits of baselines, national legislation, boundary delimitation agreements etc.

Background information on 2004 Australia-New Zealand treaty, Former Australian Minister for Foreign Affairs, 25 July 2004

A Practitioner’s Guide to Maritime Boundary Delimitation, Oxford, Stephen Fietta and Robin Cleverly, 24 March 2016





Australia ratifies maritime boundaries with East Timor, Reuters, 29 July 2019, Reuters Staff

Australia and Timor Leste settle maritime boundary after 45 years of bickering, The Conversation, 7 March 2018, Donald R. Rothwell

Australia and Timor-Leste sign historic maritime border treaty, The Guardian, 7 March 2018, Helen Davidson


Significant Progress in Timor Sea Negotiations, Timor Sea Justice Campaign, 2 September 2017, Tom Clarke

Australia and East Timor strike ‘landmark’ deal to end Greater Sunrise dispute, The Sydney Morning Herald, 2 September 2017, Lindsay Murdoch

Australia, East Timor Agree on Maritime Boundary, Wall Street Journal, 2 September 2017, Associated Press

Bridging the Timor Gap, Inside Story, 4 September 2017, Michael Leach

Australian spy case dropped by East Timor, The Australian, 25 January 2017, Amanda Hodge

East Timor, Australia set date for new sea border pact, The Strait Times, 25 January 2017,

Australia, Timor Leste set date for new sea border deal, New StraitsTimes, 24 January 2017, AFP

East Timor drops its spying case against Australia, ABC, 24 January 2017, Sara Everingham, 24 January

Australia, East Timor aim to agree maritime border by Sept, Reuters, 23 January 2017, Colin Packham and Sonali Paul

Timor-Leste: Boundary treaty renegotiation is in Australia’s interests Lowy Interpreter, 13 January 2017, Steve Bracks

A line in the water, Inside Story, 12 January 2017, Michael Leach

Timor-Leste Seeks a Better Maritime Border with Australia, The Diplomat, 11 January 2017, Grant Wyeth

Australia yields on East Timor ‘oil treaty’, The Australian, 10 January 2017, Victoria Laurie and Amanda Hodge

East Timor tears up oil and gas treaty with Australia after Hague dispute, ABC, 9 January 2017, Henry Belot and Emily Stewart

Timor Sea 2006 treaty to be terminated, The Australian Business Review, 9 January 2017, AAP

Australia makes Historic Shift on Timor Sea Boundary, Agrees to Negotiate, Mark Skulley Blog, 9 January 2017, Mark Skulley


Australia fails in attempt to block Timor-Leste maritime boundary case, theguardian, 26 September 2016, Ben Doherty, Reuters and AFP

The Conciliation Commission Concludes First Procedural Meeting, Permanent Court of Arbitration, 29 Jully 2016

Timor-Leste pushes Australia to conciliation, The Saturday Paper, 4 June 2016, Mark Skulley

Jose Ramos Horta: Australia needs to negotiate not litigate with neighbours, The Sydney Morning Herald, 24 April 2016, Jose Ramos-Horta

Interview: Ambassador Abel Guterres, The Diplomat, 20 April 2016, Ben Weir

Labor vows to end Timor-Leste dispute over Greater Sunrise territory, Australian Financial Review, 11 February 2016, Fleur Anderson

Malcolm Turnbull’s foreign policy hypocrisy on East Timor, Sydney Morning Herald, 25 January 2016, Tom Allard


Oil and Water: Australia blurs the lines with Timor-Leste, The Monthly, December 2015, Mark Aarons

Timor-Leste’s battle to settle its maritime borders resumes, The Saturday Paper, 12 September 2015, Mark Skulley

Timor Sea policy a challenge for Labor, The Saturday Paper, 11 July 2015, Steve Bracks


Oil, gas and spy games in the Timor Sea, The Monthly, April 2014, Kim McGrath



This website is hosted by the Maritime Boundary Office of the Council for the Final Delimitation of Maritime Boundaries to allow readers to learn more about Timor-Leste’s pursuit of permanent maritime boundaries. The Council for the Final Delimitation of Maritime Boundaries and the Maritime Boundary Office do not accept any legal liability for any reliance placed on any information contained in this website (including external links). The information provided is a summary only and should not be relied upon as legal advice. The information and views expressed in this website and in any linked information do not constitute diplomatic representations and do not limit or otherwise affect the rights of the Council for the Final Delimitation of Maritime Boundaries, the Maritime Boundary Office or the Government of Timor-Leste. The views expressed in any linked information do not necessarily reflect the views of the Council for the Final Delimitation of Maritime Boundaries, the Maritime Boundary Office or the Government of Timor-Leste.

GFM is the acronym for “Gabinete das Fronteiras Marítimas”, which is the Portuguese translation of Maritime Boundary Office.