WP.29 185th session: amendments to UN Regulations
23–25 November 2021
Amendments to UN Regulations that the WP.29 documents submitted for the vote at the 185th session. Each change report shows what changes, why, and who is affected.
This list has the 47 amendments with a RegVault change report, in 37 regulations. It is not the full agenda of the session.
UN R0 — International Whole Vehicle Type Approval (IWVTA)
- 04 series — Base text
Annex 4 now also lists UN Regulations Nos. 154 (WLTP), 161, 162 and 163 for U-IWVTA.
UN R14 — Safety-belt anchorages
- 09 series — Supplement 2
Symbol 2 in the Annex 6 key to symbols now refers to UN Regulation No. 16, Annex 16, not to R.E.3.
- 08 series — Supplement 1
Symbol 2 in the Annex 6 key to symbols now refers to UN Regulation No. 16, Annex 16, not to R.E.3.
- 07 series — Supplement 9
Symbol 2 in the Annex 6 key to symbols now refers to UN Regulation No. 16, Annex 16, not to R.E.3.
UN R16 — Safety-belts
- 08 series — Supplement 3
An application for approval of a vehicle type must now come with a description of the safety-belt reminder system (para. 3.1.2.7.).
- 07 series — Supplement 7
An application for approval of a vehicle type must now come with a description of the safety-belt reminder system (para. 3.1.2.7.).
UN R22 — Protective helmets and visors
- 06 series — Supplement 1
Only accessories evaluated during the type approval procedure of the helmet can guarantee that the type approval covers the modified helmet’s performance.
UN R24 — Visible pollutants, measurement of power of C.I. engines (Diesel smoke)
- 03 series — Supplement 7
Approvals to UN Regulation No. 154 or No. 83 (06 or any later series) are now also equivalent approvals for visible pollutants.
UN R37 — Filament light sources
- 03 series — Supplement 48
The Regulation now applies to filament light sources and their LED replacement light sources shown in Annex 1.
UN R45 — Headlamp cleaners
- 01 series — Supplement 12
For an AFS, paragraph 7.1. now also refers to the photometric test procedures in Annex 4 to UN Regulation No. 149.
UN R48 — Installation of lighting and light-signalling devices
- 08 series — Base text
Dipped-beam headlamps and daytime running lamps get new rules on automatic switching, and on when they may stay OFF or be switched OFF manually.
- 07 series — Supplement 2
Paragraph 3.2.5. now requires that the method used to determine the apparent surface is declared for each lamp, as defined in paragraph 2.5.
- 06 series — Supplement 15
Paragraph 3.2.5. now requires that the method used to determine the apparent surface is declared for each lamp, as defined in paragraph 2.5.
UN R49 — Emissions of C.I. and P.I. (LPG and CNG) engines
- 06 series — Supplement 7
The SSV equations change: A0 is now 0.005692 and is divided by 60, and A1 is now 27.43831.
- 05 series — Supplement 11
Table 7 of Annex 4B has a new linearity row for the humidity measurement device.
UN R58 — Rear underrun protective devices (RUPDs)
- 03 series — Supplement 3
Paragraphs 16.4. and 25.3. now add “or access ramp(s)” after “platform lift” in the horizontal distance rules.
UN R67 — LPG vehicles
- 04 series — Base text
Vehicles of categories M2/N2 and M3/N3 must now be labelled as specified in Annex 17 (para. 17.1.8.1.).
UN R79 — Steering equipment
- 04 series — Supplement 1
For RCP based on detection of driver position and movement, continuous driver movement is now an alternative to continuous actuation of the remote-control device. The driver must move in the same longitudinal direction as the vehicle.
- 03 series — Supplement 6
For RCP based on detection of driver position and movement, continuous driver movement is now an alternative to continuous actuation of the remote-control device. The driver must move in the same longitudinal direction as the vehicle.
UN R83 — Emissions of M1 and N1 vehicles
- 07 series — Supplement 14
In Annex 4a, paragraph 5.1. has a new item (b) on simulation of other vehicle configurations with same body shape or same transmission. It applies where a vehicle road load has already been determined according to Appendix 7a. The condition is that the Type Approval Authority approves the simulation methodology proposed by the manufacturer.
- 06 series — Supplement 17
In Annex 4a, paragraph 5.1. has a new item (b) on simulation of other vehicle configurations with same body shape or same transmission. It applies where a vehicle road load has already been determined according to Appendix 7a. The condition is that the Type Approval Authority approves the simulation methodology proposed by the manufacturer.
UN R86 — Installation of lighting and light-signalling devices for agricultural vehicles
- 02 series — Base text
Side retro-reflectors are now mandatory on all vehicles the length of which exceeds 4,6 m (paragraph 6.15.1.).
UN R90 — Replacement braking parts
- 02 series — Supplement 7
New paragraph 3.1.1.1. of Annex 9 allows an alternative disc brake and brake disc, with a disc diameter of 278 ± 2 mm. This set-up is such as to allow a rectangular piece of the friction material to be attached to the backing plates of the disc brake.
UN R94 — Frontal collision protection
- 04 series — Supplement 1
The “Specific voltage condition” definition in paragraph 2.40. has a new Note 2. For pulsating DC voltages (alternating voltages without change of polarity), the DC threshold must be applied.
UN R95 — Lateral collision protection
- 05 series — Supplement 2
The scope now also includes some vehicles of category M1 with a maximum permissible mass exceeding 3,500 kg. These are the vehicles where the “R” point of the lowest seat is not more than 700 mm from ground level. The 700 mm value applies when the vehicle is in the condition corresponding to the reference mass defined in paragraph 2.10.
- 04 series — Supplement 1
This Regulation now also applies to some M1 vehicles with a maximum permissible mass exceeding 3,500 kg.
UN R100 — Electric power trained vehicles
- 03 series — Supplement 1
The “Specific voltage condition” definition in paragraph 2.42. has a new Note 2. For pulsating DC voltages (alternating voltages without change of polarity), the DC threshold must be applied.
UN R101 — CO2 emission/fuel consumption
- 01 series — Supplement 11
The Annex 7 method now measures the electric energy consumption and the pure electric range of vehicles powered by an electric power train only.
UN R110 — CNG and LNG vehicles
- 04 series — Supplement 3
New paragraphs 4.21.1. and 4.21.2. define two types of excess flow valve: the “pressure-equalization type” and the “shut-off type”.
UN R116 — Anti-theft and alarm systems
- 01 series — Base text
New Annex 11 gives safety provisions for digital keys, and paragraphs 5.2.16., 6.2.10., 7.2.7. and 8.2.11. require digital keys to comply with it.
UN R118 — Fire resistance of interior materials
- 03 series — Supplement 2
Paragraph 6.2.8.1. exempts parts made of metal or glass from the tests described in Annexes 6 to 8. It now adds that parts made of plastic glazing are not included in this exemption.
UN R125 — Forward field of vision of drivers
- 02 series — Base text
Under new paragraph 5.1.3.5., information of a Field of Vision Assistant (FVA) may overlay the transparent field of vision as defined in paragraph 5.1.1. Paragraphs 5.1.3.5.1 to 5.1.3.5.5 and 5.1.3.6 apply to FVA information if it is overlaid in the transparent field of vision and outside of area S. Until the parking gear/brake is released for the first time after activation of the vehicle master control switch, FVA information may be “non-driving related, hence different to that listed in paragraph 5.1.3.5.1 and not submitted to the provisions of paragraph 5.1.3.5.1 to 5.1.3.5.5”.
UN R128 — Light-Emitting Diode (LED) light sources
- 00 series — Supplement 11
Annex 1 now says that the sheets of LED replacement light sources are excluded from this Annex 1.
UN R129 — Enhanced Child Restraint Systems (ECRS)
- 03 series — Supplement 6
New item (d) of paragraph 7.1.3. says that lateral impact tests must be performed on the test bench only, according to paragraph 6.6.4.1 Table 3.
UN R133 — Recyclability of motor vehicles
- 00 series — Supplement 1
The introduction in paragraph 1. of Annex 6 is deleted.
UN R134 — Hydrogen and Fuel Cell Vehicles (HFCV)
- 01 series — Supplement 1
Upon the manufacturer’s request, storage systems for vehicles of categories M2, M3, N2 and N3 can have a service life of up to 20 years. Before, the limit for all new systems was 15 years.
- 00 series — Supplement 4
Upon the manufacturer’s request, new storage systems in M2, M3, N2 and N3 vehicles may have a service life of up to 20 years.
UN R135 — Pole Side Impact (PSI)
- 01 series — Supplement 3
Item (b) of paragraph 1.1. now gives conditions for the acute angle alpha (α) of category N1 vehicles. For the angle, the vehicle is on a level surface, all tyres inflated as the vehicle manufacturer recommends, in unladen condition (paragraph 2.24.).
UN R137 — Restraint system in front impact
- 02 series — Supplement 2
The “Specific voltage condition” definition in paragraph 2.37. has a new Note 2. For pulsating DC voltages (alternating voltages without change of polarity), the DC threshold must be applied.
UN R145 — ISOFIX anchorage systems, ISOFIX top tether anchorages and i-Size seating positions
- 00 series — Supplement 1
If the second seat row consists of a seat or seats permanently facing rearwards, paragraph 5.3.3. now disregards these seats.
UN R149 — Road Illumination Devices (RID)
- 00 series — Supplement 4
New paragraph 3.2.5. applies in case of cornering lamps. When two or more lamps share an assembly of grouped, combined or reciprocally incorporated lamps, each must satisfy this or another Regulation for approval.
UN R150 — Retro-Reflective Devices (RRD)
- 00 series — Supplement 4
Paragraph 5.5.2.1. now says that, in the case of stripes, at least a length of 3 meters must be provided.
UN R151 — Blind Spot Information System for the Detection of Bicycles
- 00 series — Supplement 3
Paragraph 5.3.1.4. now says that the information signal must not be visible before the first point of information. It must be given between the first point of information and the last point of information.
UN R152 — Advanced Emergency Braking System (AEBS)
- 02 series — Supplement 1
If the AEBS function can be manually deactivated, it must be automatically reinstated at the initiation of each new “engine start/run cycle”, not “ignition cycle”. This requirement does not apply when a new engine start/run cycle is performed automatically, for example the operation of a stop/start system.
UN R153 — Fuel system integrity and electric power train safety at rear-end collision
- 00 series — Supplement 2
The “Specific voltage condition” definition in paragraph 2.31. has a new Note 2. For pulsating DC voltages (alternating voltages without change of polarity), the DC threshold must be applied.
UN R157 — Automated Lane Keeping Systems (ALKS)
- 00 series — Supplement 3
The Regulation now applies to vehicles of Categories M and N, instead of vehicles of Category M1 (para. 1.1.).
UN R159 — Moving Off Information System (MOIS)
- 00 series — Supplement 1
Under paragraph 5.2.2.3.3., the Technical Service may check the operation of the system according to the detection adjustment strategy for a turning maneuver. Before, the text said “shall” instead of “may”.