| Countries/Territories |
Entry into force |
Ratification * |
Simple signature |
| Bulgaria |
Dec 20, 1958
|
Nov 18, 1958
[1]
|
Jan 29, 1958
|
| Hungary |
Dec 18, 1961
|
Dec 18, 1961
[2]
|
- |
| Romania |
Dec 20, 1958
|
Dec 20, 1958
[1]
|
Jan 29, 1958
|
| Serbia |
Dec 20, 1958
|
Dec 20, 1958
[1]
|
Jan 29, 1958
|
| Ukraine |
Aug 24, 1991
|
Aug 24, 1991
[2]
|
- |
| Slovakia |
Jan 1, 1993
|
Jan 1, 1993
[2]
|
- |
| Croatia |
Oct 8, 1991
|
Oct 8, 1991
[2]
|
- |
* [1] Ratification
[2] Accession/approbation
[3] Acceptance/approval
[4] Succession
[5] Consent to be bound
[6] Definite signature