Once adopted by the COM, Dialogue Partners are required to sign a Letter of Acceptance, signifying their agreement to comply with the Dialogue Partners' regulations. These regulations aim to further strengthen the relationship between IORA and its Dialogue Partners, as enshrined in Article 4(b)(i) of the IORA Charter.

The list of Dialogue Partners can be found in Annex II of the IORA Charter, as provided below:
Dialogue Partners 
Year of adhesion 
People’s Republic of China
2000
Arab Republic of Egypt
1999
European Union
2024
Republic of Germany
2015
Republic of Italy
2019
Japan
1999
Kingdom of Saudi Arabia
2023
Republic of Korea
2018
Russian Federation
2021
Republic of Türkiye
2018
United Kingdom
2000
United States of America
2012