Overseen by GRE
Contracting Parties
Albania ( 5 Nov 2011)
Armenia (30 Apr 2018)
Australia (31 Jul 2010)
Austria (30 Apr 1972)
Belarus ( 2 Jul 1995)
Belgium (20 Sep 1969)
Bosnia-Herzegovina ( 6 Mar 1992)
Bulgaria ( 1 Jan 2007)
Croatia ( 8 Oct 1991)
Cyprus ( 1 May 2004)
Czech Republic (16 Feb 1964)
Denmark (20 Dec 1976)
EU (24 Mar 1998)
Egypt ( 3 Feb 2013)
Estonia (25 Jul 1999)
Finland (17 Sep 1976)
France ( 1 Nov 1963)
Georgia (25 May 2015)
Germany (28 Jan 1966)
Greece ( 3 Dec 1995)
Hungary ( 9 May 1965)
Ireland (24 Mar 1998)
Italy (21 Jun 1964)
Japan (24 Nov 1998)
Kyrgyzstan (31 Oct 2023)
Latvia (18 Jan 1999)
Lithuania (29 Mar 2002)
Luxembourg ( 4 Oct 1987)
Malaysia ( 4 Apr 2006)
Malta ( 1 May 2004)
Moldova (20 Nov 2016)
Montenegro ( 3 Jun 2006)
Netherlands (11 Mar 1966)
New Zealand (19 Mar 2002)
Nigeria (17 Dec 2018)
North Macedonia (17 Sep 1991)
Norway (21 Feb 1988)
Pakistan (24 Apr 2020)
Philippines ( 3 Nov 2022)
Poland ( 1 Aug 1983)
Portugal (24 Mar 1998)
Romania (21 Feb 1977)
Russia (17 Feb 1987)
San Marino (26 Jan 2016)
Serbia (27 Apr 1992)
Slovakia (16 Feb 1964)
Slovenia (25 Jul 1969)
South Africa (17 Jun 2001)
Spain (26 Feb 1966)
Sweden (30 Aug 1966)
Switzerland ( 2 Feb 1996)
Turkey ( 7 Jul 2000)
UK ( 1 Nov 1963)
Uganda (23 Aug 2022)
Ukraine ( 8 Oct 2002)
Uzbekistan (19 Dec 2025)