Indonesia–Malaysia confrontation TNKU's objectives to destabilise the proposed Malaysian state. Following the TNKU's military setback in Brunei, on 20 January 1963 Indonesian Foreign Minister Subandrio announced that Indonesia would pursue a policy of "Konfrontasi" with Malaysia, reversing Indonesia's previous policy of compliance with the British proposal. This was followed by the first recorded infiltration of Indonesian forces on 12 April 1963 when a police station in Tebedu, Sarawak, was attacked. In 1961, the island of Borneo was divided into four separate states. Kalimantan, comprising four Indonesian provinces, was located in the south of the island. In the north, separated from Kalimantan by
Brunei–Malaysia border (Definition of Boundaries) Order in Council, 1958. It asserts that its eastern boundary extends from the 100 fathom isobath at to while the western boundary extends from the 100 fathom isobath at to . The EEZ outer limit runs between the two distant points parallel to the coast. Brunei's EEZ claim would include waters surrounding the Spratly Islands in the South China Sea. The area claimed by Brunei however does not include any islands but includes Louisa Reef, which is currently occupied by Malaysia. Until 2009, Malaysia did not recognise Brunei's EEZ claim and stated that Brunei's maritime territories ended