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 | ||
|---|---|---|---|
| Georgia | 25 May 2015 | ||
| Germany | 17 June 2014 | ||
| France | 17 June 2014 | ||
| Italy | 17 June 2014 | ||
| Netherlands | 17 June 2014 | ||
| Sweden | 17 June 2014 | ||
| Belgium | 17 June 2014 | ||
| Hungary | 17 June 2014 | ||
| Czech Republic | 17 June 2014 | ||
| Spain | 17 June 2014 | ||
| Serbia | 17 June 2014 | ||
| United Kingdom of Great Britain and Northern Ireland | 17 June 2014 | ||
| Austria | 17 June 2014 | ||
| Luxembourg | 17 June 2014 | ||
| Switzerland | 17 June 2014 | ||
| Norway | 17 June 2014 | ||
| Finland | 17 June 2014 | ||
| Denmark | 17 June 2014 | ||
| Romania | 17 June 2014 | ||
| Poland | 17 June 2014 | ||
| Portugal | 17 June 2014 | ||
| Russian Federation | 17 June 2014 | ||
| Greece | 17 June 2014 | ||
| Ireland | 17 June 2014 | ||
| Croatia | 17 June 2014 | ||
| Slovenia | 17 June 2014 | ||
| Slovak Republic | 17 June 2014 | ||
| Belarus | 17 June 2014 | ||
| Estonia | 17 June 2014 | ||
| Bosnia and Herzegovina | 17 June 2014 | ||
| Latvia | 17 June 2014 | ||
| Bulgaria | 17 June 2014 | ||
| Kazakhstan | 17 June 2014 | ||
| Lithuania | 17 June 2014 | ||
| Turkey | 17 June 2014 | ||
| Azerbaijan | 17 June 2014 | ||
| North Macedonia | 17 June 2014 | ||
| European Union | 17 June 2014 | ||
| Ukraine | 17 June 2014 | ||
| Republic of South Africa | 17 June 2014 | ||
| New Zealand | 17 June 2014 | ||
| Cyprus | 17 June 2014 | ||
| Malta | 17 June 2014 | ||
| Malaysia | 17 June 2014 | ||
| Albania | 17 June 2014 | ||
| Montenegro | 17 June 2014 | ||
| Tunisia | 17 June 2014 | ||
| Egypt | 17 June 2014 | ||
| Republic of Moldova | 20 November 2016 | ||
| San Marino | 26 January 2016 | ||
| Nigeria | 17 December 2018 | ||
| Republic of Armenia | 30 April 2018 | ||
| Thailand | 17 June 2014 | ||
| Republic of Korea | 17 June 2014 | ||
| 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 |