Southern Line Island - Actions
| Agreement | Action type | Action on | Effective on |
|---|---|---|---|
| International Telecommunication Convention (with Annexes, Final Protocol and Additional Protocol) | Extension | 16 November 1953 |
| Agreement | Action type | Action on | Effective on |
|---|---|---|---|
| International Telecommunication Convention (with Annexes, Final Protocol and Additional Protocol) | Extension | 16 November 1953 |