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 | 23 January 2020 | ||
| Armenia | 23 January 2020 | ||
| Australia | 23 January 2020 | ||
| Austria | 23 January 2020 | ||
| Azerbaijan | 23 January 2020 | ||
| Belarus | 23 January 2020 | ||
| Belgium | 23 January 2020 | ||
| Bosnia-Herzegovina | 23 January 2020 | ||
| Bulgaria | 23 January 2020 | ||
| Croatia | 23 January 2020 | ||
| Cyprus | 23 January 2020 | ||
| Czech Republic | 23 January 2020 | ||
| Denmark | 23 January 2020 | ||
| EU | 23 January 2020 | ||
| Egypt | 23 January 2020 | ||
| Estonia | 23 January 2020 | ||
| Finland | 23 January 2020 | ||
| France | 23 January 2020 | ||
| Georgia | 23 January 2020 | ||
| Germany | 23 January 2020 | ||
| Greece | 23 January 2020 | ||
| Hungary | 23 January 2020 | ||
| Ireland | 23 January 2020 | ||
| Italy | 23 January 2020 | ||
| Japan | 23 January 2020 | ||
| Kazakhstan | 23 January 2020 | ||
| Korea | 23 January 2020 | ||
| Latvia | 23 January 2020 | ||
| Lithuania | 23 January 2020 | ||
| Luxembourg | 23 January 2020 | ||
| Malaysia | 23 January 2020 | ||
| Malta | 23 January 2020 | ||
| Moldova | 23 January 2020 | ||
| Montenegro | 23 January 2020 | ||
| Netherlands | 23 January 2020 | ||
| New Zealand | 23 January 2020 | ||
| Nigeria | 23 January 2020 | ||
| North Macedonia | 23 January 2020 | ||
| Norway | 23 January 2020 | ||
| Pakistan | 24 February 2020 | ||
| Poland | 23 January 2020 | ||
| Portugal | 23 January 2020 | ||
| Romania | 23 January 2020 | ||
| Russia | 23 January 2020 | ||
| San Marino | 23 January 2020 | ||
| Serbia | 23 January 2020 | ||
| Slovakia | 23 January 2020 | ||
| Slovenia | 23 January 2020 | ||
| South Africa | 23 January 2020 | ||
| Spain | 23 January 2020 | ||
| Sweden | 23 January 2020 | ||
| Switzerland | 23 January 2020 | ||
| Thailand | 23 January 2020 | ||
| Tunisia | 23 January 2020 | ||
| Turkey | 23 January 2020 | ||
| UK | 23 January 2020 | ||
| Ukraine | 23 January 2020 |