On Wednesday 18 March 2015, at Park Hyatt, Sydney, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, as guests of the Chief Executive Officer, Ms Pam Brown, attended the Kookaburra Kids lunch where Lady Cosgrove was announced as an Ambassador of the organisation.

Afterwards, at Admiralty House, Sydney, the Governor-General and Lady Cosgrove hosted an afternoon tea for the Centre for Social Impact.

On Tuesday 17 March 2015, at Gungahlin Homestead, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) as guest of the Chairman, Soldier On, Lieutenant General Professor Peter Leahy AC (Retd), opened the relocated Robert Poate Reintegration and Recovery Centre and National Soldier On Headquarters.

At Gungahlin Homestead, Crace, ACT, the Governor-General, together with Mr Hugh Poate and Mrs Janny Poate, opened the relocated Robert Poate Reintegration and Recovery Centre and National Soldier On Headquarters.

At Admiralty House, Sydney, NSW, the Governor-General received the Prime Minister of the Socialist Republic of Vietnam, His Excellency Mr Nguyen Tan Dung.

On Monday 16 March 2015, at Government House, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd), received Senator for the Australian Capital Territory, Senator the Honourable Kate Lundy.

Afterwards, at the Commonwealth Club, Canberra, the Governor-General, as an Honorary Rotarian, and Lady Cosgrove, attended the Rotary Club of Canberra lunch where the Governor-General delivered the keynote address.

On Sunday 15 March 2015, at Government House, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd), as Patron, and Lady Cosgrove, hosted a brunch reception for the National Gallery of Australia Foundation.

On Friday 13 March 2015, at Government House, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, hosted a morning tea for the Canberra Rats of Tobruk.

Afterwards, at the Rockhampton City Hall, the Governor-General, and Lady Cosgrove, as guests of the Mayor of Rockhampton Regional Council, Councillor Margaret Strewlow, attended a Cyclone Marcia brief with Emergency Services Heads.

On Thursday 12 March 2015, at Government House, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd), presided at a meeting of the Federal Executive Council.

Afterwards, the Governor-General received the Australian Ambassador to Italy, the Honourable Mike Rann CNZM.

Later, the Governor-General received for lunch the Deputy Secretary, Department of Foreign Affairs and Trade, Mr Gary Quinlan.

At Government House, Canberra, ACT, the Governor-General, as Prior of the Priory of the Order of St John, conducted an Order of St John investiture.

On Wednesday 11 March 2015, in Emerald, Victoria, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, as guests of the President of Emerald RSL, Mr Peter Maloney, opened the ANZAC Walk and ANZAC Place, to recognise the 32 soldiers from Emerald Township and its surrounding Districts who died during World War I.