FMVSS Home Regulations FMVSS FMVSS Trends on Harmonization of Vehicle Standards Monthly Updates Updated on the 25th day of each month*From March 2025, the update period changed from the 1st to the 25th of each month due to circumstances relating to the source data. 2025 : Jan. Feb. Mar. Apr. May Jun. Jul. 2024 : Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. 2023 : Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. De...

Regulations  Updated at: 2025/07/23

"Automotive Regulations Information Web Service."*From March 2025, the update period changed from the 1st to the 25th of each month due to circumstances relating to the source data. Year of 2025 : Jan. Feb. Mar. Apr. May Jun. Jul. Year of 2024 : Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Year of 2023 : Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Year of 2022 : Jan. Feb. Mar. Apr. May...

Regulations  Updated at: 2025/07/22

Union, Japan, Australia, Ukraine, South Africa, New Zealand, Cyprus, Malta, Republic of Korea, Malaysia, Thailand, Albania, Armenia, Montenegro, San Marino, Tunisia, Georgia, Egypt, Nigeria, Pakistan, Uganda, Philippines, Viet Nam, Kyrgyzstan Table 1 UN/ECE 1958 Agreement Member Countries (As of Sep. 2024) 3. UN/ECE Regulations 3-1 What are UN/ECE regulations? The UN regulations are based on a set of standards for vehicle configurations and e...

Regulations  Updated at: 2025/04/25

Updates are indicated with bold text. Status Fuel consumption standards in China are the responsibility of the Ministry of Industry and Information Technology (MIIT). Phase 4 passenger car fuel consumption standards applied from January 2016, Phase 5 standards are in place from 1 January 2021. Separate fuel consumption limits for light commercial vehicles are in place. For heavy duty vehicles, Phase 3 standards apply, for new type approvals,...

Regulations  Updated at: 2025/01/23

emission requirements and implementation stages Real Driving Emissions Test Procedures On-Board Diagnostics Historical Data Updates are indicated withbold text. Status The current standards for new passenger vehicle and LDT in the European Union are Euro 6 standards; these were phased in from September 2014. Real driving emissions (RDE) standards have been developed and are being implemented from 1 September 2017.The latest updates to the r...

Regulations  Updated at: 2024/12/13

pted proposal regarding UN/ECE regulation 51 03 S5 2019/4/Rev.1 2019/11/11 2019/10/15 Noise -Regarding the gear selection, the flow chart shall be corrected and the application extent of the partial load driving procedure shall be revised. -Correction of the reference sound assessment procedure of ASEP. -Addition of transitional rule(s). Oct. 2019 Adopted proposal regarding UN/ECE regulation 51 03 S4/C 2019/51 2019/6/26   Noise Error correctio...

Regulations  Updated at: 2020/02/05

es for particulate numbers as well as the expression of the footnote in the list of approval codes for the reference fuel shall be revised. -A revision to add evaporative equations for the variable-volume enclosure (variable-volume SHED, VT-SHED). 07 S8/C1 2019/60 2019/6/26   Error correction. Sep. 2019 Agreement regarding UN/ECE regulation 83 07 S8 2018/148 2019/6/24 2019/5/28 The Emission of Pollutants According to Engine Fuel Requirements...

Regulations  Updated at: 2020/02/05

test revisions of UN regulations (Fuel Economy/CO2) Provided by: Japan Automobile Standards Internationalization Center (JASIC) S: Amendment number, C: Error correction number. Month Document name Document # Status of document Title Description (To see the original document, click the text.) Sep. 2019 Agreement regarding UN/ECE regulation 101 01 S8 Emission of Carbon Dioxide and Fuel Consumption (Passenger Car) Amendment: At the request of...

Regulations  Updated at: 2019/08/29

UN/ECE Home Regulations UN Regulations UN Regulations Adoption Status UN Regulations Adoption Status Please click HERE for the descriptions for each regulation number. Update History TRANS/WP.29/343/Rev.24 updated on 29 Feb 2016 (Source: JASIC, As of September 2017)  *1 (Russia No.33) : Adoption cancelld as of August 24, 2001 *2 (Germany, Sweden, Spain No.67) : Conditional adoption *3 (Montenegro No.125, No.126) Adoption to be ...

Regulations  Updated at: 2017/09/05