WP.29 200th session: amendments to UN Regulations
17–20 November 2026
Amendments to UN Regulations that the WP.29 documents submitted for the vote at the 200th session. Each change report shows what changes, why, and who is affected.
This list has the 29 amendments with a RegVault change report, in 18 regulations. It is not the full agenda of the session.
UN R0 — International Whole Vehicle Type Approval (IWVTA)
- 09 series — Base text
Annex 4 now lists a later series of amendments for UN Regulations Nos. 16, 17, 46, 48, 79, 94, 95, 100, 134, 137 and 154.
UN R46 — Devices for indirect vision
- 07 series — Supplement 2
Camera and monitor parts outside the vehicle are now exempt from the relevant provisions if their material has a Shore A hardness below 60.
- 06 series — Supplement 2
Camera and monitor parts outside the vehicle are now exempt from the relevant provisions if their material has a Shore A hardness below 60.
- 05 series — Supplement 2
Camera and monitor parts outside the vehicle are now exempt from the relevant provisions if their material has a Shore A hardness below 60.
- 04 series — Supplement 10
Paragraph 6.1.1.3. does not apply to mirrors with the lower edge mounted not less than 2 m above the ground (new para. 6.1.1.9.). Paragraph 6.2.2.1.1. does not apply to CMS with the lower edge mounted not less than 2 m above the ground (new para. 6.2.2.1.6.). The height applies with the vehicle loaded to its maximum technical permissible mass.
UN R49 — Emissions of C.I. and P.I. (LPG and CNG) engines
- 07 series — Supplement 5
Paragraph 9.3.2.7. of Annex 4 now sets the accuracy of the air to fuel measurement sensor for three ranges of λ.
UN R79 — Steering equipment
- 05 series — Supplement 1
Paragraph 6.1.1. now requires an ambient temperature between 0 °C and 45 °C for the test.
- 04 series — Supplement 12
Paragraph 6.1.1. now requires an ambient temperature between 0 °C and 45 °C for the test.
- 03 series — Supplement 17
Paragraph 6.1.1. now requires an ambient temperature between 0 °C and 45 °C for the test.
UN R90 — Replacement braking parts
- 02 series — Supplement 14
In the communication form of Annex 1B, item 1 now reads “If applicable, name and address of manufacturer's representative”.
UN R95 — Lateral collision protection
- 06 series — Supplement 3
New paragraph 5.3.3.1.1.: if necessary, the vehicle must be put back on its wheels for the door-opening assessment.
- 05 series — Supplement 5
New paragraph 5.3.3.1.1.: if necessary, the vehicle must be put back on its wheels for the door-opening assessment.
- 04 series — Supplement 3
New paragraph 5.3.3.1.1.: if necessary, the vehicle must be put back on its wheels for the door-opening assessment.
UN R96 — Emissions from Non-Road Mobile Machinery (NRMM) engines
- 05 series — Supplement 3
New Annex 12 sets requirements for emission testing of dual-fuel engines of Type 1A with hydrogen as a main fuel.
UN R127 — Pedestrian safety
- 05 series — Base text
New Annexes 7 and 8 give a test procedure for Deployable Pedestrian Protection Systems (DPPS) and a simulation procedure for the head impact time (HIT).
UN R129 — Enhanced Child Restraint Systems (ECRS)
- 05 series — Supplement 1
Paragraph 6.6.4.3.1.: head acceleration during dummy contact with a rigid part of the test bench in the rebound phase is not considered.
- 04 series — Supplement 6
Paragraph 6.6.4.3.1.: head acceleration during dummy contact with a rigid part of the test bench in the rebound phase is not considered.
UN R148 — Light-Signalling Devices (LSD)
- 01 series — Supplement 8
Labels may now be used for the additional approval markings specific to the device (para. 3.3.4.4.1.).
UN R149 — Road Illumination Devices (RID)
- 01 series — Supplement 8
For ADB for vehicles of category L3, the luminous intensity must now meet Class A, B, CS or DS in Table 5 and paragraph 5.1.4.2. Table 13 has a new Part C.
- 00 series — Supplement 11
Tables 18, 21 and 24 no longer give maximum values at point 50L.
UN R153 — Fuel system integrity and electric power train safety at rear-end collision
- 01 series — Supplement 2
The information document in Annex 1 now asks for more REESS data in paragraphs 3.3.2. to 3.3.2.8.
UN R157 — Automated Lane Keeping Systems (ALKS)
- 01 series — Supplement 6
If the manufacturer is to take remedial action addressing an ALKS design, the Type Approval Authority must upload the information to DETA.
- 00 series — Supplement 7
If the manufacturer is to take remedial action addressing an ALKS design, the Type Approval Authority must upload the information to DETA.
UN R169 — Event Data Recorders for Heavy-Duty Vehicles
- 00 series — Supplement 2
For vehicle types of 8,000 to 12,000 kg maximum mass, paragraph 4.2.2. sets how to demonstrate equivalent EDR triggering.
UN R171 — Driver Control Assistance System (DCAS)
- 01 series — Supplement 2
At speeds up to 130 km/h, the system may now also withhold HORs on a “Highway-like” road, which new paragraph 2.28.1. defines.
- 00 series — Supplement 4
A manoeuvre can start only if, among other conditions, the driver is not deemed disengaged for more than 2 s immediately before its start.
UN R174 — Safety-belt reminders
- 01 series — Supplement 2
The second level warning may now also be discontinued when other audible safety warnings are triggered in circumstances of imminent danger. In this case, just the audible signal should be discontinued.
UN R176 — Field of vision assistant
- 00 series — Supplement 3
For M1 and N1 vehicles, the adjusted ocular reference point now includes the back angle adjustment of UN Regulation No. 166 (para. 2.9.1.).
UN R178 — Emergency Lane Keeping Systems (ELKS) for M1 and N1 vehicles
- 01 series — Base text
New paragraph 5.3. says that magnetic or electrical fields must not adversely affect the effectiveness of ELKS.