• People's Republic of Bangladesh
• Kingdom of Bhutan
• Brunei Darussalam
• Kingdom of Cambodia
• People's Republic of China
• Republic of India
• Republic of Indonesia
• Republic of Kazakhstan
• Republic of Korea
• Lao People's Democratic Republic
• Malaysia
• Republic of Maldives
• Mongolia
• Republic of the Union of Myanmar
• Nepal
• Islamic Republic of Pakistan
• Republic of the Philippines
• Republic of Singapore
• Democratic Socialist Republic of Sri Lanka
• Chinese Taipei
• Kingdom of Thailand
• The Democratic Republic of Timor-Leste
• Socialist Republic of Viet Nam
• Japan

Countries and regions except Japan are in alphabetical order