| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| Australia | 29-05-1990 | 27-03-1991 (R) | 28-03-1991 | |||
| Austria | 29-05-1990 | 23-01-1991 (R) | 28-03-1991 | |||
| Belgium | 29-05-1990 | 11-04-1991 (R) | 11-04-1991 | |||
| Bulgaria | 29-05-1990 | 02-11-1990 (R) | 28-03-1991 | |||
| Canada | 29-05-1990 | 25-02-1991 (R) | 28-03-1991 | |||
| Cyprus | 29-05-1990 | 03-12-1990 (R) | 28-03-1991 | |||
| Czechoslovakia (<01-01-1993) | 29-05-1990 | 28-03-1991 (R) | 28-03-1991 | |||
| Denmark | 29-05-1990 | 21-03-1991 (R) | 28-03-1991 | |||
| Egypt | 29-05-1990 | 12-04-1991 (R) | 12-04-1991 | |||
| EIB (European Investment Bank) | 29-05-1990 | 22-11-1990 (R) | 28-03-1991 | |||
| EU (European Union) | 29-05-1990 | 25-11-1990 (R) | 28-03-1991 | |||
| Finland | 29-05-1990 | 28-01-1991 (R) | 28-03-1991 | |||
| France | 29-05-1990 | 26-07-1990 (R) | 28-03-1991 | |||
| Germany | 29-05-1990 | 13-02-1991 (R) | 28-03-1991 | |||
| Greece | 29-05-1990 | 29-03-1991 (R) | 29-03-1991 | |||
| Hungary | 29-05-1990 | 05-12-1990 (R) | 28-03-1991 | |||
| Iceland | 29-05-1990 | 06-02-1991 (R) | 28-03-1991 | |||
| Ireland | 29-05-1990 | 26-03-1991 (R) | 28-03-1991 | |||
| Israel | 29-05-1990 | 22-03-1991 (R) | 28-03-1991 | |||
| Italy | 29-05-1990 | 19-03-1991 (R) | 28-03-1991 | |||
| Japan | 29-05-1990 | 02-04-1991 (R) | 02-04-1991 | |||
| Liechtenstein | 29-05-1990 | 29-01-1991 (R) | 28-03-1991 | |||
| Luxembourg | 29-05-1990 | 15-03-1991 (R) | 28-03-1991 | |||
| Malta | 29-05-1990 | 06-02-1991 (R) | 28-03-1991 | |||
| Mexico | 29-05-1990 | 21-02-1991 (R) | 28-03-1991 | |||
| Morocco | 29-05-1990 | |||||
| Netherlands, the Kingdom of the | 29-05-1990 | 25-03-1991 (R) | 28-03-1991 | |||
| New Zealand | 29-05-1990 | |||||
| Norway | 29-05-1990 | 12-03-1991 (R) | 28-03-1991 | |||
| Poland | 29-05-1990 | 21-03-1991 (R) | 28-03-1991 | |||
| Portugal | 29-05-1990 | 06-04-1991 (R) | 06-04-1991 | |||
| Republic of Korea, the | 29-05-1990 | 14-01-1991 (R) | 28-03-1991 | |||
| Romania | 29-05-1990 | 07-12-1990 (R) | 28-03-1991 | |||
| Russian Federation | 29-05-1990 | 29-03-1991 (R) | 29-03-1991 | |||
| Spain | 29-05-1990 | 26-03-1991 (R) | 28-03-1991 | |||
| Sweden | 29-05-1990 | 17-01-1991 (R) | 28-03-1991 | |||
| Switzerland | 29-05-1990 | 29-03-1991 (R) | 29-03-1991 | |||
| Tunisia | 21-12-2011 (A) | 21-12-2011 | ||||
| Türkiye | 29-05-1990 | 29-03-1991 (R) | 29-03-1991 | |||
| United Kingdom | 29-05-1990 | 10-08-1990 (R) | 28-03-1991 | |||
| United States of America | 29-05-1990 | 28-03-1991 (R) | 28-03-1991 | |||
| Yugoslavia (< 25-06-1991) | 29-05-1990 | 29-03-1991 (R) | 29-03-1991 |