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From June 15 to 19, 2026, a meeting of the Working Group on International Cooperation and Information Exchange of the Coordinating Council of Heads of Tax Services of the CIS Member States was held in St. Petersburg, the press service of the Organization's Executive Committee reported.
The event was chaired by the Russian Federation. Representatives from Azerbaijan, Armenia, Belarus, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, and the CIS Executive Committee participated.
The main issue on the agenda was the consideration and approval of amendments to the Agreement between the CIS Member States on Cooperation and Mutual Assistance on Compliance with Tax Legislation and the Fight Against Violations in this Area, signed on June 4, 1999.
The proposed amendments concern terminology, forms of administrative assistance, and types of data used in the exchange of information between tax authorities of the Commonwealth states. The changes affect the procedure, methods, and means of transmitting information within the framework of interstate tax cooperation.
Ekaterina Myskova, a representative of the CIS Executive Committee, informed participants about the progress of consideration of another intergovernmental document: the draft Protocol on Amendments to the Protocol on the Exchange of Electronic Information between CIS Member States for Tax Administration, dated November 2, 2018.
The document provides for the introduction of a new object of information exchange – data on the equity participation of legal entities and individuals of one state in the authorized capital of a legal entity of another state party to the Protocol.
It is planned that this document will be signed at a meeting of the CIS Council of Heads of Government in December 2026.
During the meeting, the parties also summarized the results of the exchange of tax information for 2025 and discussed the integration of a comprehensive directory of income type codes into national information systems.
One of the important results of the meeting was the agreement at the expert level on new information exchange formats.
Participants also reviewed practical experiences in using the information obtained during tax audits. Representatives from all participating countries presented information on the development of this area in their countries.
The draft Protocol on Amendments to the Agreement of June 4, 1999 and updated information exchange formats are planned to be submitted for consideration by the heads of tax services of the CIS member states during the XXXIII meeting of the Coordination Council of the Heads of Tax Services of the CIS member states.
The meeting is scheduled for October 21–23, 2026, in Dushanbe.
