 The Act formally approved the placing of New Guinea under the international trusteeship system and confirmed the administrative union of New Guinea and Papua under the title of The Territory of Papua and New Guinea.It also provided for a Legislative Council (which was established in 1951), a judicial organization, a public service, and a system of local government.The House of Assembly replaced the Legislative Council in 1963, and the first House of Assembly of Papua and New Guinea opened on 8 June 1964.