Country | Action | Action Date | Effective Date |
Johore | Accession | 28-Oct-1916 | |
Kedah | Accession | 28-Oct-1916 | |
Kelantan | Accession | 28-Oct-1916 | |
Perlis | Accession | 28-Oct-1916 | |
SIAM | Signature | 28-Oct-1916 | |
Trengganu | Accession | 28-Oct-1916 | |
UNITED KINGDOM | Signature | 25-Oct-1916 |