CMS
Countries
| Title | Status | Status date | Party number | Region |
|---|---|---|---|---|
| Belgium | Party | 1993 | North Sea | |
| Denmark | Party | 1993 | Baltic Sea, North Sea | |
| Estonia | Non-Party Range State | Baltic Sea | ||
| European Union | Signed but not ratified | 1992 | ||
| Finland | Party | 1999 | Baltic Sea | |
| France | Party | 2005 | Atlantic Ocean, North Sea | |
| Germany | Party | 1993 | Baltic Sea, North Sea | |
| Ireland | Non-Party Range State | Atlantic Ocean | ||
| Latvia | Non-Party Range State | Baltic Sea | ||
| Lithuania | Party | 2005 | Baltic Sea | |
| Netherlands | Party | 1992 | North Sea | |
| Norway | Non-Party Range State | North Sea | ||
| Poland | Party | 1996 | Baltic Sea | |
| Portugal | Non-Party Range State | Atlantic Ocean | ||
| Russia | Non-Party Range State | Baltic Sea | ||
| Spain | Non-Party Range State | Atlantic Ocean | ||
| Sweden | Party | 1992 | Baltic Sea, North Sea | |
| United Kingdom | Party | 1993 | Atlantic Ocean, North Sea |