Vorläufige Absprache über Fragen des Tiefseebodens
| State | Signature | Entry into force |
|---|---|---|
| Germany | 02-09-1984 | 18-10-1985 |
| Netherlands | 02-09-1984 | 18-10-1985 |
| United States | 02-09-1984 | 18-10-1985 |
| Belgium | 02-09-1984 | 18-10-1985 |
| France | 02-09-1984 | 18-10-1985 |
| Italy | 02-09-1984 | 18-10-1985 |
| United Kingdom | 02-09-1984 | 18-10-1985 |
| Japan | 02-09-1984 | 18-10-1985 |