The British were responsible not only for the reoccupation of Sumatras, but for all of Indonesia, so they included areas that were previously under the command of the South West Pacific Areas (SWPAC). But in practice, the British were free to reintegrate areas outside Java and Sumatra, because outside the two islands, the Australian army looked after them. 2 CHART HANDOVER OF POWER CIVIL AFFAIRS AGREEMENTSEAC UNITED STATES NETHERLANDS AFNEI NICA CIVIL AFFAIRS AGREEMENT 24 August 1945 The commander of the British occupying army in Indonesia will take power on behalf of the Dutch government. As part of the management of civil government cases, their implementation is organised by NICA under the responsibility of the United Kingdom. This power is then returned to the Kingdom of the Netherlands. Thus the British came to Indonesia to fulfill potsdam`s mandate. The British Army, assigned to Indonesia, was known as AFNEI (Allied Forces for Netherlads East Indies) and consisted of British Indian military units (also known as Gurkha soldiers). Specifically, the maritime tariffs charged to AFNEI, among others: in the second phase, after the situation has returned to normal, NIC officials will assume responsibility for the British side representing the Allies. However, the agreement was not ratified until 24 August 1945 in London. With Japan surrendering on 15 August, the Dutch quickly urged the British to ratify the agreement immediately.
However, in accordance with the Potsdam agreement reached a month earlier, the content of the provisions has been expanded. In substance, the negotiations focus on the settlement of Indonesia`s transfer to the Netherlands, in particular for Sumatra (the Indonesian region presented by the Southeast Asia commando SEAC). In accordance with the first phase, the Commander-in-Chief of the Allied Army is authorized to conduct military operations, conduct military operations and restore order and security. After the Japanese surrendered on August 15, 1945, he had to abandon his occupied territory. This meant that the colonies initially conquered by the Western nations had to be returned. In fact, Western countries still have the right to continue to govern their colonies first.