| State | Nepal |
| Treaty | Outer Space Treaty |
| Action Type | Signature |
| Depositary | Government of the United Kingdom |
| Date | 6 February 1967 |
| Other Actions | Ratification on deposit with London — 10 October 1967 Signature on deposit with Moscow — 3 February 1967 Ratification on deposit with Moscow — 16 October 1967 Ratification on deposit with Washington — 22 November 1967 Signature on deposit with Washington — 3 February 1967 |