Brunei–Malaysia border which are defined by agreements, from west to east, are as follows: Brunei and Malaysia in an Exchange of Letters on 16 March 2009, agreed to affirm the five agreements. The two countries also agreed to use the watershed principle to determine the remaining undelimited portions of the border. Brunei's maritime boundary with Malaysia until the 100 fathom isobath was inherited from the Sarawak (Definition of Boundaries) Order in Council 1958 No 1518 and the North Borneo (Definition of Boundaries) Order in Council 1958 No 1517, both of which defined the boundary between Brunei on the one hand, and Sarawak
Brunei–Malaysia border Malaysian press reports, saying the Limbang Question was never discussed during negotiations for the Exchange of Letters. Malaysia subsequently said the Limbang Question will be settled once the survey and demarcation of the boundary between the two countries is completed. Finally on 2009, with the report from Brunei media, they announced an end to claim over each other's land, and said to resolve issues related to their maritime borders. In terms of boundary delimitation in general, the Letters of Exchange provided for the ending of the dispute by virtue of Brunei agreeing to affirm the five historical border agreements. For