Disputes - international: | East Timor and Australia agreed in 2005 to defer the disputed portion of the boundary for fifty years and to split hydrocarbon revenues evenly 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 in the Timor Sea; Indonesian groups challenge Australia's claim to Ashmore and Cartier Islands; Australia closed parts of the Ashmore and Cartier Reserve to Indonesian traditional fishing and placed restrictions on certain catch; regional states continue to express concern over Australia's 2004 declaration of a 1,000-nautical mile-wide maritime identification zone; Australia asserts land and maritime claims to Antarctica (see Antarctica); in 2004 Australia submitted its claims to UN Commission on the Limits of the Continental Shelf (CLCS) to extend its continental margins covering over 3.37 million square kilometers or roughly thirty percent of its claimed exclusive economic zone; since 2003, Australian Defense Force leads the Regional Assistance Mission to the Solomon Islands (RAMSI) to maintain civil and political order and reinforce regional security |