Indonesia–Malaysia confrontation party which was founded in June 1959. The Sarawak Insurgency began after the Brunei Revolt in 1962 and SCO would fight alongside the Bruneian rebels and Indonesian forces during the Indonesia–Malaysia confrontation (1963–1966). The Sarawak Communist Organisation and the Bruneian rebels supported and propagated the unification of all British Borneo territories to form an independent leftist North Kalimantan state. This idea was originally proposed by A. M. Azahari, leader of the Parti Rakyat Brunei (Brunei People's Party), who had forged links with Sukarno's nationalist movement, together with Ahmad Zaidi, in Java in the 1940s. However, the Brunei People's Party was
Brunei–Malaysia border of Boundaries) Order in Council 1958. In 1979, Malaysia published a territorial waters and continental shelf map showing the area claimed by Brunei as its continental shelf/EEZ as belonging to Malaysia. The map also depicts the Brunei-Malaysian border as only running up to the 100 fathom isobath. Brunei does not recognise the assertions made by Malaysia. In 2000, Brunei had earlier awarded a concession for a petroleum block called Block J to Shell, Mitsubishi and ConocoPhillips and Block K to France's Total, BHP Billiton and Hess Corp. Subsequently, in 2003, Malaysia's national petroleum company Petronas awarded concessions to its subsidiary