On 24 July, the swearing in ceremony of Syngman Rhee as the first president of South Korea was held in front of the Government-General Building. On 15 August, the inauguration of the First Republic of Korea (South Korea) occurred at the Government-General Building following the official transfer of power from the USAMGIK to the Government of South Korea, becoming the first seat of National Assembly, and was occupied by a variety of government offices. The Japanese governor-general's office became the prime minister's office.
On July 24th, Syngman Rhee was sworn in as South Korea's first president at the Government-General Building. On August 15th, the First Republic of Korea (South Korea) was inaugurated there following the transfer of power from USAMGIK to the Government of South Korea, making it the initial seat of National Assembly and housing various government offices. The Japanese governor-general's office then became the prime minister's office.