Subjects · rules Japan is active on
UN Regulations, rules and programmes this stakeholder has submitted on in the last 12 months, most recently active first. The chart shows document activity month by month — trailing empty months mean activity has tailed off. Tap a bar to see the documents for that year.
Subject Last document Engagement · last 12 mo
UN R83
UN R83 Motor Vehicle Emissions
10 Oct 2026
Nov 2025 – Oct 2026 · 1 total
UN R154
UN R154 WLTP Type Approval
10 Oct 2026
Nov 2025 – Oct 2026 · 10 total
UN R168
UN R168 RDE
10 Oct 2026
Nov 2025 – Oct 2026 · 2 total
Automated Driving Systems 3 Oct 2026
Nov 2025 – Oct 2026 · 4 total
GTR No. 26
GTR No. 26 Automated Driving Systems
3 Oct 2026
Nov 2025 – Oct 2026 · 1 total
UN R185
UN R185 ADS vehicles
3 Oct 2026
Nov 2025 – Oct 2026 · 1 total
UN R152
UN R152 Light Vehicle AEBS
24 Sep 2026
Nov 2025 – Oct 2026 · 3 total
UN R166
UN R166 MOIS (M1/N1)
22 Sep 2026
Nov 2025 – Oct 2026 · 1 total
RE3: Vehicle Construction 18 Sep 2026
Nov 2025 – Oct 2026 · 3 total
UN R155
UN R155 Cyber Security
18 Sep 2026
Nov 2025 – Oct 2026 · 2 total
ePTI 18 Sep 2026
Nov 2025 – Oct 2026 · 1 total
UN R10
UN R10 Electromagnetic Compatibility
9 Sep 2026
Nov 2025 – Oct 2026 · 3 total
GTR No. 22
GTR No. 22 EV Battery Durability
8 Sep 2026
Nov 2025 – Oct 2026 · 7 total
GTR No. 2
GTR No. 2 WMTC
7 Sep 2026
Nov 2025 – Oct 2026 · 1 total
UN R40
UN R40 Motorcycle Emissions
7 Sep 2026
Nov 2025 – Oct 2026 · 2 total
GTR No. 21
GTR No. 21 EV Power Determination
5 Sep 2026
Nov 2025 – Oct 2026 · 4 total
GTR No. 25
GTR No. 25 HD EV Battery Durability
5 Sep 2026
Nov 2025 – Oct 2026 · 2 total
UN R156
UN R156 SW Updates
2 Sep 2026
Nov 2025 – Oct 2026 · 3 total
UN R48
UN R48 Installation of Lighting
4 Aug 2026
Nov 2025 – Oct 2026 · 2 total
Acceleration Control-GTR 3 Jul 2026
Nov 2025 – Oct 2026 · 1 total
UN R175
UN R175 ACPE
3 Jul 2026
Nov 2025 – Oct 2026 · 1 total
Automotive Life Cycle Assessment 15 Jun 2026
Nov 2025 – Oct 2026 · 8 total
GTR No. 20
GTR No. 20 Electric Vehicle Safety
3 Jun 2026
Nov 2025 – Oct 2026 · 1 total
Artificial Intelligence 27 May 2026
Nov 2025 – Oct 2026 · 4 total
UN R51
UN R51 Vehicle Noise
20 May 2026
Nov 2025 – Oct 2026 · 3 total
UN R46
UN R46 Indirect Vision
10 Apr 2026
Nov 2025 – Oct 2026 · 1 total
AV Signaling Requirements 20 Mar 2026
Nov 2025 – Oct 2026 · 2 total
Swappable batteries 17 Mar 2026
Nov 2025 – Oct 2026 · 1 total
UN R177
UN R177 EV power determination
17 Mar 2026
Nov 2025 – Oct 2026 · 2 total
UN R186
UN R186 Tyre abrasion
2 Mar 2026
Nov 2025 – Oct 2026 · 2 total
Data Storage Systems-Automated Driving 30 Jan 2026
Nov 2025 – Oct 2026 · 1 total
UN R79
UN R79 Steering Equipment
16 Jan 2026
Nov 2025 – Oct 2026 · 1 total
UN R171
UN R171 DCAS
14 Nov 2025
Nov 2025 – Oct 2026 · 1 total
UN R0
UN R0 International Whole Vehicle Type Approval
6 Nov 2025
Nov 2025 – Oct 2026 · 1 total