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
Albania 05 November 2011
Armenia 30 April 2018
Austria 17 August 1996
Belarus 01 September 2003
Belgium 15 May 1987
Bosnia-Herzegovina 06 March 1992
Bulgaria 01 January 2007
Croatia 08 October 1991
Cyprus 01 May 2004
Czech Republic 09 June 1996
Denmark 06 August 1990

In accordance with Regulation No. 70, paragraph 12, the Government of Denmark requires a specific length of 1,400 mm.

EU 24 March 1998
Egypt 03 February 2013
Estonia 23 December 1997
Finland 19 April 1994
France 28 June 1996
Georgia 25 May 2015
Germany 26 September 1993
Greece 24 March 1998
Hungary 07 September 1997
Ireland 24 March 1998
Italy 21 August 1988
Japan 01 April 2007
Latvia 18 January 1999
Lithuania 29 March 2002
Luxembourg 26 November 1996
Malaysia 04 April 2006
Malta 01 May 2004
Moldova 20 November 2016
Montenegro 03 June 2006
Netherlands 15 May 1987
Nigeria 17 December 2018
North Macedonia 17 September 1991
Norway 07 March 1999
Poland 22 July 2000
Portugal 24 March 1998
Romania 06 May 1996
Russia 08 April 1996
San Marino 26 January 2016
Serbia 27 April 1992
Slovakia 14 January 1997
Slovenia 18 August 1990
Spain 24 March 1998
Sweden 11 November 1988
Switzerland 02 February 1996
Turkey 28 December 1998
UK 20 March 1990
Ukraine 08 October 2002