| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Armenia | April 11, 2017 | Ratification : December 15, 2017 | January 1, 2018 | |
| Belarus | April 11, 2017 | Ratification : November 10, 2017 | January 1, 2018 | |
| Kazakhstan | April 11, 2017 | Ratification : December 13, 2017 | January 1, 2018 | |
| Kyrgyzstan | April 11, 2017 | Ratification : December 30, 2017 | January 1, 2018 | |
| Russian Federation | April 11, 2017 | Ratification : November 14, 2017 | January 1, 2018 |