UN Regulation No. 21
← UN Regulation No. 20
UN Regulation No. 22 →
Amendments Revisions Contracting Parties Documents Meetings Notifications ← Back
Contracting Parties 53 parties
Albania 5 Nov 2011
Armenia 30 Apr 2018
Australia 31 Jul 2010
Austria 24 Mar 1998
Belgium 1 Dec 1971
Bosnia-Herzegovina 6 Mar 1992
Bulgaria 1 Jan 2007
Croatia 8 Oct 1991
Cyprus 1 May 2004
Czech Republic 30 Jul 1972
Denmark 20 Dec 1976
EU 24 Mar 1998
Egypt 3 Feb 2013
Estonia 25 Jul 1999
Finland 13 Feb 1978
France 1 Dec 1971
Georgia 25 May 2015
Germany 13 Nov 1973
Greece 3 Dec 1995
Hungary 21 Mar 1993
Ireland 24 Mar 1998
Italy 17 Sep 1975
Japan 21 Mar 2015
Kyrgyzstan 31 Oct 2023
Latvia 18 Jan 1999
Lithuania 29 Mar 2002
Luxembourg 1 May 1983
Malaysia 4 Apr 2006
Malta 1 May 2004
Moldova 20 Nov 2016
Montenegro 3 Jun 2006
Netherlands 16 Jun 1981
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 Dec 2001
Portugal 24 Mar 1998
Romania 21 Feb 1977
Russia 17 Feb 1987
San Marino 26 Jan 2016
Serbia 27 Apr 1992
Slovakia 30 Jul 1972
Slovenia 20 Jul 1991
Spain 12 Sep 1978
Sweden 1 Dec 1971
Switzerland 2 Feb 1996
Türkye 14 Apr 2001
UK 11 Feb 1973
Uganda 23 Aug 2022
Uzbekistan 19 Dec 2025