Information on the Five-Year Review to determine
currency in accordance with SAE Technical Report Development Process

Proposal clarifies the provisions for category 5 devices by adding “per side” in the requirements

Proposal to clarify provision that direction-indicator lamps on one side of a vehicle shall be switched ON and OFF automatically.

Proposal introduces new requirements for direction indicators for trailers that may be towed by tractors

Proposal to amend the proposals concerning manufacturer logos.

Priority tasks include

• Simplifying UN R148, R149, and R150 and amending UN R48, R53, R74, and R86 by 2027,
• Developing EMC requirements for UN R10 by 2026,
• Creating LED retrofit categories for UN R37, R99, and R128 by 2028, and
• Reducing lamp glare by 2026.

Proposal to define “work lamps” and establish minimum specifications for safe use.

Proposal to clarify the voltage requirements for light-emitting diodes (LED).

Proposal to correct an editorial error regarding the markings for light source control gear.

Proposal to clarify the calculation method (i.e., rounding down to three digits) for the acceptance criteria in cases where tolerance limits are calculated.

Proposal to clarify the marking requirements for headlamp functions.

Proposal to improve the accuracy of the instrumental aiming method.

Proposal to introduce introduce new light emitting diode (LED) light source categories LRR8A and LRR8B and to amend provisions in paragraph 3.1, group 1, group 2, and group 3 concerning phase out of certain light source categories.

Proposal to introduce recommendations for the installation of special amber warning lamps on agricultural vehicles, agricultural tractors, and agricultural non-road mobile machinery.

Proposal to introduce new light emitting diode (LED) replacement light source categories H8, H16 and HB4.

Proposal to prohibit the inclusion of a manufacturer logo in headlamps under UN R149 and to limit the approval of light-signalling devices with a logo to the 01 series of amendment of UN R149 under UN R48.

Proposal to clarify the requirements for the activation of direction-indicator lamps to ensure compatibility with driver control assistance systems as permitted under UN Regulation No. 171.

Proposal to a new paragraph 4.20. in UN R149 to clarify that road illumination devices shall not incorporate a manufacturer logo and to specify under Annex 5 of UN R150 (requirements for the shape of the illuminating surface of retro-reflective devices) that for classes IA, IB and IVA, these requirements do not permit the shape to represent a manufacturer logo.

Proposal to amend the Regulation to enable application to ADS vehicles.

Proposal to amend UN R48 to enable its application to ADS vehicles, including to introduce vehicles with a “driving system which controls its operation or may be operated by driver support features or automated driving features or by an Automated Driving System (ADS).”

Proposal to amend the Regulation to enable its application to ADS vehicles, including to introduce “vehicles with a driving system [that] controls its operation or may be operated by driver support features or automated driving features or by an Automated Driving System (ADS).”