| State | Switzerland |
| Treaty | Outer Space Treaty |
| Action Type | Signature |
| Depositary | Government of the Russian Federation |
| Date | 30 January 1967 |
| Other Actions | Ratification on deposit with London — 18 December 1969 Signature on deposit with London — 27 January 1967 Ratification on deposit with Moscow — 18 December 1969 Ratification on deposit with Washington — 18 December 1969 Signature on deposit with Washington — 27 January 1967 |