His Majesty Sultan Haji Hassanal Bolkiah Mu'izzaddin Waddaulah ibni Al-Marhum Sultan Haji Omar 'Ali Saifuddien Sa'adul Khairi Waddien, Sultan and Yang Di-Pertuan of Brunei Darussalam, received in separate audiences, Her Excellency Marian Jocelyn R. Tirol-Ignacio, outgoing Ambassador Extraordinary and Plenipotentiary of the Republic of the Philippines to Brunei Darussalam; Her Excellency Caryn Roberta McClelland, outgoing Ambassador Extraordinary and Plenipotentiary of the United States of America to Brunei Darussalam; and His Excellency Tran Anh Vu, outgoing Ambassador Extraordinary and Plenipotentiary of the Socialist Republic of Viet Nam to Brunei Darussalam. The Audience Ceremonies took place at Istana Nurul Iman, 23rd June afternoon.

His Majesty first received in audience Her Excellency Marian Jocelyn R. Tirol-Ignacio. Her Excellency presented her Letter of Credence to His Majesty on the 24th of May 2022.

His Majesty next received in audience Her Excellency Caryn Roberta McClelland. Her Excellency presented her Letter of Credence to His Majesty on the 24th of May 2022.

Subsequently, His Majesty received in audience His Excellency Tran Anh Vu. His Excellency presented his Letter of Credence on the 13th of September 2023.