WP.29 175th session: amendments to UN Regulations
19–22 June 2018
Amendments to UN Regulations that the WP.29 documents submitted for the vote at the 175th session. Each change report shows what changes, why, and who is affected.
This list has the 15 amendments with a RegVault change report, in 13 regulations. It is not the full agenda of the session.
UN R13 — Heavy vehicle braking
- 11 series — Supplement 16
Disconnection of the braking surfaces of the parking braking system may now also be controlled “from a remote control device, by a system incapable of being brought into action by a leak” (para. 5.2.1.10.). Before, the disconnection had to be controlled exclusively by the driver from his driving seat.
UN R13H — Braking of passenger cars
- 01 series — Supplement 1
Paragraph 5.2.10. now also allows the disconnection of the braking surfaces of the parking braking system to be controlled from a remote control device. This device must be part of a system fulfilling the ACSF of Category A requirements of UN Regulation No. 79 (02 or later series).
UN R14 — Safety-belt anchorages
- 09 series — Base text
Paragraph 5.4.2.5. now gives the 240 mm minimum for M1 and N1 vehicles if there is only one central seating position in a rear row. It applies for that central seating position, provided that the centre rear seat cannot be exchanged with any of the other seats.
UN R16 — Safety-belts
- 07 series — Supplement 3
The definition of “Second level warning” (paragraph 2.45.) now refers to the safety-belt that “is or becomes unfastened, depending on the relevant seating position requirement”.
UN R22 — Protective helmets and visors
- 05 series — Supplement 3
New paragraph 5.1.8. says that the approval marks prescribed in paragraphs 5.1.4., 5.1.5. and 5.2.4. may not be replaced by a Unique Identifier (UI).
UN R44 — Child Restraint Systems
- 04 series — Supplement 14
New paragraphs 17.18. and 17.19. cover non-integral class forward facing systems of group 2 or group 2/3. They exclude systems that form part of a multi-group system that will also be approved for group 1 and above. For the covered systems, no new approvals may be granted under this Regulation from 1 September 2019, and no extensions from 1 September 2023.
UN R49 — Emissions of C.I. and P.I. (LPG and CNG) engines
- 06 series — Supplement 6
Declared market fuels now need a power correction factor if measured and calculated torque differ by more than a value in paragraph 9.4.2.5.
- 05 series — Supplement 10
For oxides of nitrogen at the ESC random checkpoints, paragraph 5.2.3.1. adds “or the limit values in Table 1 in paragraph 5.2.1., whichever is greater”.
UN R51 — Noise of M and N categories of vehicles
- 03 series — Supplement 4
Paragraph 6.2.1.1. now says that the sound must be measured either indoors or outdoors by the methods of Annex 3. The results of the outdoor and indoor tests are deemed equivalent. The Type Approval Authority always has the option to mandate an outdoor test for verification.
UN R54 — Tyres for commercial vehicles and their trailers
- 00 series — Supplement 23
For tyres intended for dual mounting (twinning), paragraph 6.1.4.2. now gives width tolerances in a table: 2% or 4% for the tyres it lists.
UN R63 — Noise emissions of mopeds
- 02 series — Supplement 4
Paragraph 1 now says that pure electric vehicles, including vehicles with auxiliary electric propulsion, are not in the scope of this Regulation.
UN R83 — Emissions of M1 and N1 vehicles
- 07 series — Supplement 7
For category N vehicles, the approval must be extended to vehicles with a lower reference mass, only if one condition is met. Condition: the emissions of the vehicle already approved are within the limits prescribed for the vehicle for which extension of the approval is requested.
- 06 series — Supplement 11
For category N vehicles, the approval must be extended to vehicles with a lower reference mass, only if one condition is met. Condition: the emissions of the vehicle already approved are within the limits prescribed for the vehicle for which extension of the approval is requested.
UN R85 — Measurement of the net power and the 30 min. power
- 00 series — Supplement 8
Under paragraph 5.3.1.3., the motor must run on the bench for three minutes immediately before the test, at a power equal to “either 80 per cent of the maximum 30 minutes power or 80 per cent of the maximum peak power”.
UN R96 — Emissions from Non-Road Mobile Machinery (NRMM) engines
- 05 series — Base text
The Regulation now covers all engines of the paragraph 1.1. categories installed or intended to be installed in category T vehicles and non-road mobile machinery.