The current constitution, which was last amended on 1 January 2527 the Sultan was described Inc. It is both the chief minister and the Minister of Defence. The Prime Minister must be a Brunei Malay origin. And must be a Sunni Muslim Brunei addition, no council elected by the public policy of Brunei. Including the creation of national solidarity. And maintain the independence of Brunei, with a location that is surrounded by Malaysia. Indonesia, a Muslim country and has a large presence in the south. Brunei has a close relationship with Singapore.