Contracting Parties under UN R51 Vehicle Noise

The following Contracting Parties are officially listed by the World Forum as applying this regulation. Nonetheless, this designation does not necessarily mean that a given Contracting Party either issues its own type approvals or accepts type approvals issued by other parties as there are exceptions.

Contracting Party Effective Date
Canada 06 March 2013

Unilateral acceptance outside the 1958 Agreement

Germany 03 October 1990
France 17 February 1987
Italy 06 May 1983
Netherlands 21 June 1985
Sweden 02 August 1997
Belarus 02 July 1995
Belgium 15 July 1982
Bosnia and Herzegovina 06 March 1992
Bulgaria 21 January 2000
Hungary 26 March 1984
Croatia 08 October 1991
Cyprus 01 May 2004
Czech Republic 04 January 1983
Serbia 27 April 1992
Slovak Republic 04 January 1983
Slovenia 05 January 1985
Spain 15 July 1982
Switzerland 12 February 2011
Ukraine 08 October 2002
United Kingdom of Great Britain and Northern Ireland 16 August 1993
Austria 24 March 1998
Latvia 18 January 1999
Lithuania 29 March 2002
Luxembourg 01 May 1984
Norway 24 May 1993
North Macedonia 17 September 1991
Finland 05 July 1988
Denmark 24 March 1998
Romania 03 February 1984
Russian Federation 17 February 1987
Poland 13 November 1992
Portugal 24 March 1998
Greece 03 December 1995
Ireland 24 March 1998
Estonia 28 December 1998
European Union 24 March 1998
Turkey 07 July 2000
Malaysia 04 April 2006
Montenegro 03 June 2006
Malta 01 May 2004
Albania 05 November 2011
Egypt 03 February 2013
San Marino 26 January 2016
Japan 13 June 2016
Republic of Moldova 20 November 2016
Georgia 25 May 2015
Nigeria 17 December 2018
Republic of Armenia 30 April 2018
Philippines 03 November 2022
Republic of Uganda 23 August 2022
Kyrgyz Republic 31 October 2023
Socialist Republic of Viet Nam 24 September 2023
Islamic Republic of Pakistan 24 April 2020