Question: The Supreme Court of Western Australia as well as the independent Pacific Island states of Kiribati, Nauru, Papua New Guinea, Tonga, Tuvalu and Vanuatu use which abbreviation for their currency?

Context paragraphs:
Forum for India–Pacific Islands Cooperation: Forum for India-Pacific Islands cooperation (FIPIC) is a multinational grouping developed in 2014 for cooperation between India and 14 Pacific Islands nations which include Cook Islands, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, Niue, Samoa, Solomon Islands, Palau, Papua New Guinea, Tonga, Tuvalu and Vanuatu.  All Head of state/head of government of the above countries met in Suva, Fiji in November 2014 for the first time where the annual summit was conceptualised.

Embassy of Finland, Canberra: The Embassy of Finland to the Commonwealth of Australia is Finland's diplomatic mission in Canberra, Australia.  The mission is also accredited to New Zealand, Fiji, Papua New Guinea, Samoa, Tonga, Vanuatu and the Solomon Islands.  As it is the only Finnish Embassy in the Southern Pacific region (Oceania) in practice the Embassy also represents Finland in its relations with other Pacific island states in the region (Nauru, Tuvalu as well as the Cook Islands, Niue and Tokelau).

Supreme Court of Papua New Guinea: The Supreme Court of Papua New Guinea has been the highest court of Papua New Guinea since 16 September 1975, replacing the pre-Independence Supreme Court (corresponding to the post-Independence National Court) and the overseas appellate tribunals from 1902 to 1975 of the High Court of Australia and the Judicial Committee of the Privy Council.  Judges of the pre-Independence Supreme Court automatically became the justices of the National Court and accordingly among the pool of judges available to be empanelled as a Supreme Court bench.  "The National and Supreme Court of Papua New Guinea is composed of the Chief Justice, Deputy Chief Justice and 21 Judges."

Pacific Islands Legal Information Institute: The Pacific Islands Legal Information Institute (PacLII) collects and publishes legal materials from 20 Pacific Islands Countries on its website www.paclii.org.  These countries are American Samoa, Cook Islands, Federated States of Micronesia, Fiji Islands, Kiribati, Marshall Islands, Nauru, Niue, Papua New Guinea, Pitcairn Island, Samoa, Solomon Islands, Tokelau, Tonga, Tuvalu, and Vanuatu. A mirror of the PacLII website is hosted by the Australasian Legal Information Institute (AustLII), and is the version accessed by most users outside the Pacific Islands.

Australian dollar: The Australian dollar (sign: $; code: AUD) is the currency of the Commonwealth of Australia, including its external territories Christmas Island, Cocos (Keeling) Islands, and Norfolk Island, as well as the independent Pacific Island states of Kiribati, Nauru, Papua New Guinea, Tonga, Tuvalu and Vanuatu.  Within Australia, it is almost always abbreviated with the dollar sign ($), with A$ or AU$ sometimes used to distinguish it from other dollar-denominated currencies.  It is subdivided into 100 cents.

Office of the Chief Trade Adviser: The Office of the Chief Trade Adviser (OCTA) is an independent trade advisory body of the Forum Island Countries.  OCTA provides policy advice and capacity building support to the Forum Island Countries, particularly in the Pacific Agreement on Closer Economic Relations (PACER) Plus trade negotiations with Australia and New Zealand.  OCTA was established on 29 March 2010 and is based in Port Vila, Vanuatu.  The first to be appointed to the Chief Trade Adviser position was Chris Noonan, an academic from New Zealand.  Noonan resigned in September 2011.  The OCTA Governing Board then appointed Julia Tijaja, the Trade Policy Adviser, as Caretaker Chief Trade Adviser in the interim until the new Chief Trade Adviser came on board.  In February 2012, Edwini Kessie, an international trade law expert, was appointed the new Chief Trade Adviser.  Kessie took up his post in June 2012.  Thirteen Forum Island Countries are currently members of the OCTA; Cook Islands, Federated States of Micronesia, Kiribati, Nauru, Niue, Palau, Papua New Guinea, Marshal Islands, Samoa, Solomon Islands, Tonga, Tuvalu and Vanuatu.  OCTA is fully owned and is under the exclusive control of its members.

Cuba–Oceania relations: Cuban-Pacific relations are diplomatic, economic, cultural and other relations between the Republic of Cuba and countries situated in Oceania.  In the 2000s, Cuba has been strengthening its relations with Pacific nations, which have, for the most part, responded favourably to Cuban medical aid in particular.  The first Cuba-Pacific Islands ministerial meeting was held in September 2008 in Havana, with government members from ten Pacific countries—Kiribati, Tuvalu, Nauru, Solomon Islands, Fiji, Tonga, Vanuatu, Samoa, the Federated States of Micronesia and Papua New Guinea—attending.  The meeting was a consolidation rather than a starting point of Cuban-Pacific relations.

Nauru: Nauru (Nauruan: "Naoero" , or ), officially the Republic of Nauru (Nauruan: "Repubrikin Naoero" ) and formerly known as Pleasant Island, is an island country in Micronesia in the Central Pacific.  Its nearest neighbour is Banaba Island in Kiribati, 300 km to the east.  It further lies northwest of Tuvalu, north of the Solomon Islands, east-northeast of Papua New Guinea, southeast of the Federated States of Micronesia and south of the Marshall Islands.  With 10,084 residents in a 21 km2 area, Nauru is the smallest state in the South Pacific and third smallest state by area in the world, behind only Vatican City and Monaco.

Supreme Court of Western Australia: The Supreme Court of Western Australia is the highest state court in the Australian State of Western Australia.  It has unlimited jurisdiction within the state in civil matters (although it usually only hears matters involving sums of A$750,000 or more), and hears the most serious criminal matters.

Pacific Adventist University: Pacific Adventist University (PAU) is a tertiary institution located 21 kilometres (30 minutes) outside Port Moresby, Papua New Guinea, and operated by the South Pacific Division of the Seventh-day Adventist Church.  Both the faculty and the student body are international in composition.  While most students come from Papua New Guinea and other Pacific island nations such as Tonga, Fiji, Samoa, Vanuatu and the Solomon Islands, others have come from Africa, Australia, Pakistan, China, the Philippines, and the United States.

Supporting paragraphs: Supreme Court of Western Australia Australian dollar
Answer: $