Before revision: the Southern limits of the East Indian Archipelago,Defined by IHO as the southern limits of the Java Sea ("the North and West coasts of Java to Java Hoofd () its Western point, and thence a line to Vlakke Hoek () the Southern extreme of Sumatra"), the Bali Sea ("A line from Tanjong Banenan through the Southern points of Balt and Noesa Islands to Tanjong Bt Gendang, the Southwest extreme of Lombok, and its South coast to Tanjong Ringgit the Southeast extreme, thence a line to Tanjong Mangkoen () the Southwest extreme of Soembawa"), the Savu Sea ("By a line from the Southwest point of Timor to the Northeast point of Roti, through this island to its Southwest point, thence a line to Poeloe Dana () and to Tanjong Ngoendjoe, the Southern extreme of Soemba and through this island to Tanjong Karosso, its Western point"), and the western limit of the Timor Sea ("A line from Cape Londonderry to the Southwest point of Roti Island ()".
After revision: the Southern limits of the East Indian Archipelago,Defined by IHO as the southern limits of the Java Sea ("the North and West coasts of Java to Java Hoofd () its Western point, and thence a line to Vlakke Hoek () the Southern extreme of Sumatra"), the Bali Sea ("A line from Tanjong Bantenan through the Southern points of Balt and Noesa Islands to Tanjong Bt Gendang, the Southwest extreme of Lombok, and its South coast to Tanjong Ringgit the Southeast extreme, thence a line to Tanjong Mangkoen () the Southwest extreme of Soembawa"), the Savu Sea ("By a line from the Southwest point of Timor to the Northeast point of Roti, through this island to its Southwest point, thence a line to Poeloe Dana () and to Tanjong Ngoendjoe, the Southern extreme of Soemba and through this island to Tanjong Karosso, its Western point"), and the western limit of the Timor Sea ("A line from Cape Londonderry to the Southwest point of Roti Island ()".