CHAPTER XI
TRANSPORT AND COMMUNICATIONS
B
Road Traffic16177United Nations Regulations No. 177. The determination of system power of hybrid electric vehicles and of pure electric vehicles having more than one electric machine for propulsionGeneva, 5 March 202527 September 2025, in accordance with article 1(4).27 September 2025, No. 4789Parties601C.N.154.2025.TREATIES-XI.B.16 of 27 March 2025 (Draft United Nations Regulation [No. 177] and C.N.541.2025.TREATIES-XI.B.16.177 of 6 October 2025 (Entry into force).<superscript>2</superscript>
ParticipantApplication of regulationAlbania27 Sep 2025 Andorra27 Sep 2025 Armenia27 Sep 2025 Australia27 Sep 2025 Austria27 Sep 2025 Azerbaijan27 Sep 2025 Belarus27 Sep 2025 Belgium27 Sep 2025 Bosnia and Herzegovina27 Sep 2025 Bulgaria27 Sep 2025 Croatia27 Sep 2025 Czech Republic27 Sep 2025 Denmark27 Sep 2025 Egypt27 Sep 2025 Estonia27 Sep 2025 European Union27 Sep 2025 Finland27 Sep 2025 France27 Sep 2025 Georgia27 Sep 2025 Germany27 Sep 2025 Greece27 Sep 2025 Hungary27 Sep 2025 Italy27 Sep 2025 Japan27 Sep 2025 Kazakhstan27 Sep 2025 Kyrgyzstan27 Sep 2025 Latvia27 Sep 2025 Lithuania27 Sep 2025 Luxembourg27 Sep 2025 Malaysia27 Sep 2025 Montenegro27 Sep 2025 Netherlands (Kingdom of the)27 Sep 2025 New Zealand27 Sep 2025 Nigeria27 Sep 2025 North Macedonia27 Sep 2025 Norway27 Sep 2025 Pakistan27 Sep 2025 Philippines27 Sep 2025 Poland27 Sep 2025 Portugal27 Sep 2025 Republic of Korea27 Sep 2025 Republic of Moldova27 Sep 2025 Romania27 Sep 2025 Russian Federation27 Sep 2025 San Marino27 Sep 2025 Serbia27 Sep 2025 Slovakia27 Sep 2025 Slovenia27 Sep 2025 South Africa27 Sep 2025 Spain27 Sep 2025 Sweden27 Sep 2025 Switzerland27 Sep 2025 Thailand27 Sep 2025 Tunisia27 Sep 2025 Türkiye27 Sep 2025 Uganda27 Sep 2025 Ukraine27 Sep 2025 United Kingdom of Great Britain and Northern Ireland27 Sep 2025 Uzbekistan20 Oct 2025 Viet Nam27 Sep 2025
1The Regulation enters into force for all Contracting Parties to the Agreement which did not notify their disagreement thereto, in accordance with article 1(4). The date listed under "Application of regulation" reflects the date of the entry into force of the Regulation for those States parties to the Agreement, at the time of the entry into force of the Regulation, which did not notify their disagreement thereto, in accordance with article 1(4) of the Agreement. States parties to the Agreement not applying the Regulation may, at any time, notify the Secretary-General that they intend to apply it, and the Regulation will then enter into force for such States on the sixtieth day after such notification, in accordance with article 1(7) of the Agreement. For these States, the date listed under "Application of regulation" is the date of deposit of the notification. States that become parties to the Agreement subsequent to the entry into force of the Regulation, which do not notify their disagreement thereto, apply the Regulation as from the date of entry into force of the Agreement for such States. In these cases, the date listed under "Application of regulation" reflects the date of deposit of the instrument of accession to the Agreement.2For additional references to the texts of the annexed regulations and their amendments, see doc. <a href="http://www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29fdocstts.html" target = "_ blank">TRANS/WP.29/343</a> as updated annually.