Disputes - international: 

East Timor and Australia continue to meet but disagree over how to delimit a permanent maritime boundary and share unexploited petroleum resources that fall outside the Joint Petroleum Development Area covered by the 2002 Timor Sea Treaty; East Timor dispute hampers creation of a revised maritime boundary with Indonesia (see also Ashmore and Cartier Islands dispute); regional states express concern over Australia's 2004 declaration of a 1,000-nautical mile-wide maritime indentification zone; Australia asserts land and maritime claims to Antarctica (see Antarctica); in 2004 Australia submitted claims to UNCLOS to extend its continental margin from both its mainland and Antarctic claims