To mark Commonwealth Day 2023, the Parliament of New South Wales welcomed the Governor of New South Wales, Her Excellency the Honourable Margaret Beazley AC KC, and members of the Commonwealth Day Council to Parliament House, where Her Excellency delivered His Majesty King Charles III's official Commonwealth Day message. The President of the Legislative Council, Hon. Matthew Mason, Cox, MLC and the Speaker of the Legislative Assembly, Hon. Jonathan O’Dea, MP jointly hosted a lunch for the Governor and specially invited guests.