| 11 to 16 May 2025 |
President of the Senate attendance at the Commonwealth Parliamentary Association - Executive Committee meeting in London and visit to the Welsh and Scottish Parliaments
Senator the Hon Sue Lines, President of the Senate
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| 28 June to 1 July 2025 |
Speaker attendance at the Executive Committee meeting of the Inter-Parliamentary Union
Hon Milton Dick MP, Speaker of the House of Representatives
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| 8 to 10 July 2025 |
Speaker attendance at Presiding Officers and Clerks Conference (POCC) in Nauru
Hon Milton Dick MP, Speaker of the House of Representatives
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| 24 to 29 August 2025 |
Parliamentary delegation to Fiji for the 5th Pacific Islands Parliamentary Group (PIPG)
Delegation members: Dr Carina Garland MP, Senator the Hon Richard Colbeck
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| 24 to 29 August 2025 |
Parliamentary delegation to the United States of America for the 80th United Nations General Assembly (UNGA80)
Delegation members: Senator Glenn Sterle, Mr Garth Hamilton MP
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| 11 to 22 September 2025 |
Parliamentary delegation to Malaysia for the 45th ASEAN Inter-Parliamentary Assembly (AIPA) and bilateral visit to Cambodia
Delegation members: Mrs Fiona Phillips MP, Mr Steve Georganas MP, Senator Maria Kovacic
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| 21 September to 3 October |
Presiding Officers led delegation to South Africa for the 11th G20 Speakers Summit (P20) and bilateral visits to the Zambia and Mauritius
Delegation members: Senator the Hon Sue Lines, President of the Senate, Hon Milton Dick MP, Speaker of the House of Representatives, Senator Deborah O'Neill, Ms Mary Doyle MP, Senator Dorinda Cox, Senator Claire Chandler, Senator Tammy Tyrrell
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| 6 to 11 October |
Presiding Officer led delegation to Barbados for the 68th CPA Commonwealth Parliamentary Conference (CPC)
Delegation members: Senator the Hon Sue Lines, President of the Senate, Ms Libby Coker MP, Senator Richard Dowling, Ms Carol Berry MP, Mr Patrick Conaghan MP
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| 10 to 16 October 2025 |
Parliamentary delegation to Slovenia for the 71st NATO Parliamentary Assembly and bilateral visit to Croatia
Delegation members: Dr Gordon Reid MP, Hon Kevin Hogan MP
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| 12 to 23 October 2025 |
Presiding Officer led delegation to Switzerland for the 151st Inter-Parliamentary Union (IPU) Assembly and bilateral visit to Romania and Switzerland
Delegation members: Hon Milton Dick MP, Speaker of the House of Representatives, Ms Sharon Claydon MP, Senator Deborah O’Neill, Senator Carol Brown, Senator Andrew McLachlan
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| 7 to 16 November 2025 |
Joint Standing Committee on Foreign Affairs, Defence and Trade visit to the United Kingdom and Poland
Delegation members: Hon Shayne Neumann MP, Senator Dean Smith, Senator Deborah O'Neill, Mr Steve Georganas MP, Mr Colin Boyce MP
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| 9 to 14 November 2025 |
Presiding Officer led delegation to Korea for the 11th MIKTA Speaker's Consultations
Delegation members: Senator the Hon Sue Lines, President of the Senate, Senator Kerrynne Liddle, Dr Gordon Reid MP, Ms Sarah Witty MP,
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| 7 to 16 December 2025 |
Standing Committee on Primary Industries visit to New Zealand and Solomon Islands
Delegation members: Ms Meryl Swanson MP, Mr Jamie Chaffey MP, Ms Trish Cook MP
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| 7 to 16 December 2025 |
Senate Committee on Community Affairs visit to Singapore and Japan
Delegation members: Senator Dorinda Cox, Senator Penny Allman-Payne, Senator Michelle Ananda-Rajah, Senator Wendy Askew, Senator Leah Blyth
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