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UN R153 Supplement 1 (01 series) · UNECE Regulation No. 153 (ECE R153) — Uniform provisions concerning the approval of vehicles with regard to fuel system integrity and safety of electric power train in the event of a rear-end collision.

UN R153 — Supplement 1 to the 01 series of amendments

Base text → Supplement 1

Adopted at the WP.29 199th sessionEntry into force not yet known
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What changed
  • The Regulation now accounts for vehicles of category X and does not apply to vehicles of category Y.
  • Without a driver or manual driving controls in the vehicle, related provisions must not be taken into account unless this amendment already covers them.
  • For vehicles with an Automated Driving System (ADS) other than vehicles of category X, no special provisions or exemptions apply in the manual driving mode.
Why
  • The Regulation was first written for vehicles with a driver and manual driving controls.
  • The amendment intends to keep the Regulation's spirit and to extend it to vehicles without a driver and without manual driving controls inside the vehicle.
  • WP.29 aimed to adopt all documents of the review of existing UN Regulations for Automated Driving Systems (ADS) at its June 2026 session.

Q1What changed10 changes

Introduction and scope for vehicles of categories X and Y (section 0., paras. 1.1. and 1.2.)

New section 0. says that the Regulation is amended to account for vehicles of category X. New paragraph 1.2. says that the Regulation does not apply to vehicles of category Y. Without a driver or manual driving controls in the vehicle, related provisions must not be taken into account unless this amendment already covers them. For vehicles with an Automated Driving System (ADS) other than vehicles of category X, no special provisions or exemptions apply in the manual driving mode. In a mode where an ADS feature is active, the relevant ADS requirements apply. The text under the heading of section 1. is now paragraph 1.1.

Introduction
For supplement 1 to the 01 series of amendments:
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R.E.3 references in footnotes (sections 0. and 1., para. 4.4.1., Annex 1 – Appendix 1)

Footnote 1 to sections 0. and 1. now refers to document ECE/TRANS/WP.29/78/Rev.8 instead of /Rev.6. Footnote 2 to paragraph 4.4.1. says where the distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced. It now refers to document ECE/TRANS/WP.29/78/Rev. 8 instead of Rev. 6 and has a new web address. Footnote 2 to paragraph 0.4. of Annex 1 – Appendix 1 now refers to /Rev.8 instead of /Rev.6.

As defined in the Consolidated Resolution on the Construction of Vehicles (R.E.3.), document ECE/TRANS/WP.29/78/Rev.6ECE/TRANS/WP.29/78/Rev.8, para. 2. – www.unece.org/transport/standards/transport/vehicle-regulations-wp29/resolutions
The distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced in Annex 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), document ECE/TRANS/WP.29/78/Rev. 68, Annex 3 - www.unece.org/transport/standards/transport/vehicle-regulations-wp29/resolutionshttps://unece.org/transport/vehicle-regulations/wp29/resolutions
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Q2Why it changed

Proposed by
Expert from Germany on behalf of the GRSP Task Force on Automated Vehicles Regulation Screening (TF-AVRS)
Working party
GRSP, 78th session (December 2025)

Reasons

  • The Regulation was first written for vehicles with a driver and manual driving controls. The amendment intends to keep the Regulation's spirit and to extend it to vehicles without a driver and without manual driving controls inside the vehicle. The proposal was prepared to enable the application of the Regulation to vehicles equipped with an Automated Driving System (ADS).

    Sources (4)
    “The Regulation was originally drafted for vehicles with driver and manual driving controls”
    “It is the intention of this amendment to keep the spirit of the regulation and to extend its application to vehicles without driver and without manual driving controls inside the vehicle”
    “to enable the application of the regulation to vehicles equipped with an Automated Driving System (ADS)”
    “See paragraph 0. in the proposal”

  • WP.29 aimed to adopt all documents of the review of existing UN Regulations for Automated Driving Systems (ADS) at its June 2026 session.

    Source
    “WP.29 reaffirmed its objective to adopt all documents related to the review of existing UN Regulations related to Automated Driving Systems (ADS) at its June 2026 session”

Document trail

  1. 2025-09ProposalECE/TRANS/WP.29/GRSP/2025/35Proposal by the expert from Germany on behalf of TF-AVRS
  2. —Amended in sessionGRSP-78-28-Rev.1TF-AVRS changes to ECE/TRANS/WP.29/GRSP/2025/35
  3. —Working party adoptsECE/TRANS/WP.29/GRSP/78GRSP session report, para. 43 and Annex XXI
  4. 2026-04Sent to WP.29ECE/TRANS/WP.29/2026/70Text that GRSP sent to WP.29 and AC.1
  5. —Amended in sessionWP.29-199-10Amendments for the AC.1 vote, reproduced in Annex VI of ECE/TRANS/WP.29/1192
  6. 2026-06-24WP.29 adoptsECE/TRANS/WP.29/1192Adopted at the 199th session (session report, para. 103)
  7. PendingIn forceDate not yet known

Q3Who is affected

Vehicle manufacturer

  • Check in R.E.3 (ECE/TRANS/WP.29/78/Rev.8) if your vehicles are of category X or category Y.

Component supplier

  • No direct action for this role.

Technical service / Approval authority

  • Do not apply this Regulation to vehicles of category Y (paragraph 1.2.).
  • Without a driver or manual driving controls in the vehicle, ignore related provisions this amendment does not cover (paragraph 0.1.2.).

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ⓘ This report gives advice only. It is not legal or type-approval advice.

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