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Contracting Party

Japan is a Contracting Party to the 1958 and 1998 Agreements. Under the 1958 Agreement, Japan recognizes type approvals issued in accordance with the regulations listed here. Type approvals issued by Japan carry the symbol "E 43".

UN(ECE) Regulations

Japan applies 84 UN Regulations.

Recent WP.29 Contributions from Japan

26 Mar
WLTP: Japan input on REESS testing provisions (WLTP-SG-EV-39-03)
["Worldwide Harmonized Light Vehicles Test Procedure <p>This GTR prescribes a test cycle and test procedures to measure the emissions (including off-cycle) and fuel efficiency of light-duty vehicles. The GTR was adopted at the March 2014 session of the World Forum.</p>\r\n<p>A supplemental \"phase 1b\" is underway to refine certain elements of the initial regulation. WP.29/AC.3 expects to consider a proposal for Amend. 1 to UN GTR No. 15 in November 2016 as result of Phase 1b activities.</p>\r\n<p>A second phase is expected to address low ambient temperature, high altitude test procedures, and possibly durability and conformity issues.</p>\r\n<p>A third phase would eventually include the addition of reference fuels, correlation across existing regional/national cycles, and introduction of emissions limits.</p>\r\n<p>The <a href=\"\" target=\"_blank\">latest draft version</a> of the amended GTR is regularly updated by the WLTP informal working group.</p>\r\n<p>The regulation is also supplemented by a <a href=\"\" target=\"_blank\">gearshift calculation tool</a>.\r\n WLTP Worldwide Harmonized Light Vehicle Emissions Test Procedure GTR No. 15 GTR No. 15", " This page covers the work on transposing GTR No. 15 (Worldwide Harmonized Light Vehicle Emissions Test Procedure-WLTP) into the form of a UN type-approval regulation as used under the 1958 Agreement. WLTP (UNR) Light Vehicle Emissions Type Approval Test Procedure WP.29 Regulatory Project Light Vehicle Emissions Type Approval Test Procedure"]
23 Mar
Japan Comments for EV Battery Durability GTR (EVE-34-15)
[" Program under the EVE informal group to develop a new UN Global Technical Regulation. EV Battery Durability Electric Vehicle Battery Durability WP.29 Regulatory Project Electric Vehicle Battery Durability"]
13 Mar
L-OBD2: Catalytic converter deterioration proposal (OBD2CG-17-04)
["Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. L-OBD Motorcycle On-Board Diagnostic Systems GTR No. 18 GTR No. 18"]

News & Developments

Nineteen news articles related to Japan are in the GAR database.