On 26 December 1941, the Japanese Army established the Civil Administration Department to carry out military control in Hong Kong. On 29 February 1942, Hong Kong was announced as the Japan's captured territory. The Governor's Office was set up to replace the Civil Administration Department. Lieutenant General Rensuke Isogai became the first Governor of the Captured Territory. Under the Governor's command was the Chief Administrative Officer, General Affairs Executive, the Heads of the Military Police and the Defending Force, who were responsible for maintaining social order. Reporting to the General Affairs Executive were the Civil Affairs Bureau, the Financial Section, the Communications Section, the Press Section, etc. The Governor's Office was moved from the Peninsular Hotel to the Hongkong Bank Building.