UN Regulation No. 20
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UN Regulation No. 21 →
Amendments Revisions Contracting Parties Documents Meetings ← Back
Contracting Parties 55 parties
Albania 5 Nov 2011
Armenia 30 Apr 2018
Austria 30 Apr 1972
Belarus 1 Sep 2003
Belgium 1 May 1971
Bosnia-Herzegovina 6 Mar 1992
Bulgaria 1 Jan 2007
Canada 6 Mar 2013
Croatia 8 Oct 1991
Cyprus 1 May 2004
Czech Republic 14 Apr 1972
Denmark 20 Dec 1976
EU 24 Mar 1998
Egypt 3 Feb 2013
Estonia 1 May 2004
Finland 17 Sep 1976
France 1 May 1971
Georgia 25 May 2015
Germany 16 Sep 1972
Greece 3 Dec 1995
Hungary 18 Oct 1976
Ireland 24 Mar 1998
Italy 4 Jul 1971
Kyrgyzstan 31 Oct 2023
Latvia 18 Jan 1999
Lithuania 29 Mar 2002
Luxembourg 1 Oct 1985
Malaysia 4 Apr 2006
Malta 1 May 2004
Moldova 20 Nov 2016
Montenegro 3 Jun 2006
Netherlands 1 May 1971
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 6 Jun 1992
Portugal 24 Mar 1998
Romania 21 Feb 1977
Russia 8 Apr 1996
San Marino 26 Jan 2016
Serbia 27 Apr 1992
Slovakia 14 Apr 1972
Slovenia 27 Aug 1976
South Africa 17 Jun 2001
Spain 19 Nov 1973
Sweden 1 May 1971
Switzerland 2 Feb 1996
Türkye 30 Aug 1998
UK 30 Nov 1971
Uganda 23 Aug 2022
Ukraine 8 Oct 2002
Uzbekistan 19 Dec 2025