the Statelessness Reduction Convention, the Genocide Convention, the Nuclear Non-Proliferation Treaty, the Chemical Weapons Convention, the Biological Weapons Convention, the CTBT, the Treaty of Rarotonga, the Tobacco Control Treaty, UNCLOS, the Convention to Combat Desertification, the Berne Convention, the Universal Copyright Convention, the TRIPS Agreement, the Wassenaar Arrangement, the Convention on the Elimination of All Forms of Racial Discrimination – with Australia additionally accepting the competency of CERD to hear individual complaints, the Framework Convention on Climate Change and Kyoto Protocol, the Ottawa Treaty, the Agreement on the Conservation of Albatrosses and Petrels, the ENMOD Convention, the London Convention, the Ramsar Convention, the Paris Convention for the Protection of Industrial Property, the Patent Cooperation Treaty, the Single Convention on Narcotic Drugs, and the Convention on Psychotropic Substances. Both voted against the adoption of the Declaration on the Rights of Indigenous Peoples at the United Nations General Assembly and both have declined to sign the Optional Protocol to the Convention on the Rights of Persons with Disabilities. New Zealand, has signed and ratified the Optional Protocol to the Convention against Torture and other Cruel, Inhuman or Degrading Treatment or Punishment; Australia has signed the optional protocol but has not ratified it. Australia, but not New Zealand, is a member of the Nuclear Energy Agency and UNIDROIT and a party to the Patent Law Treaty, the Budapest Treaty, the WIPO Copyright Treaty, the IPC Agreement, the Statelessness Status Convention and the Moon Treaty. Whereas Australia has signed and ratified the Convention for the Conservation of Antarctic Seals, New Zealand had not ratified it as of 2003. From 1923 to 1968 both nations along with the UK exercised trusteeship of Nauru pursuant to the Nauru Island Agreement. In the period from 2001 to 2007 New Zealand accepted certain boat arrival intending migrants to Australia for immigration processing as part of the Pacific Solution otherwise focused upon the detention centre commissioned at Papua New Guinea's Manus Island. The two countries were the lead participants in the Regional Assistance Mission to Solomon Islands initiated from 2003. In late May 2021, Ardern and Morrison issued a joint statement in Queenstown, New Zealand affirming bilateral cooperation on the issues of COVID-19, bilateral relations, and security issues in the Indo-Pacific. Morrison and Ardern also raised concerns about the South China Sea dispute and human rights in Hong Kong and Xinjiang. In response to the joint statement, Chinese Foreign