The Chairmanship of ASEAN shall rotate annually based on the alphabetical order of the English names of Member States. A Member State assuming the Chairmanship shall chair the ASEAN Summit and related summits, the ASEAN Coordinating Council, the three ASEAN Community Councils, relevant ASEAN Sectoral Ministerial Bodies and senior officials, and the Committee of Permanent Representatives – Article 31 of the ASEAN Charter.

The Member State holding the Chairmanship of ASEAN shall actively promote and enhance the interests and well-being of ASEAN, including efforts to build an ASEAN Community through policy initiatives, coordination, consensus and cooperation; ensure the centrality of ASEAN; ensure an effective and timely response to urgent issues or crisis situations affecting ASEAN, including providing its good offices and such other arrangements to immediately address these concerns; represent ASEAN in strengthening and promoting closer relations with external partners; and carry out such other tasks and functions as may be mandated. – Article 32 of the ASEAN Charter.