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UN R145 Supplement 1 (01 series) · UNECE Regulation No. 145 (ECE R145) — Uniform provisions concerning the approval of vehicles with regard to ISOFIX anchorage systems ISOFIX top tether anchorages and i-Size seating positions.

UN R145 — Supplement 1 to the 01 series of amendments

Base text → Supplement 1

Adopted at the WP.29 194th sessionEntry into force 2025-06-12
What changed
  • The Annex 3 footnote now says that the procedure is described in Addendum 6 of Mutual Resolution No. 1 (M.R.1), document ECE/TRANS/WP.29/1101/Amend.5.
  • Before, the Annex 3 footnote referred to Annex 1 and its Appendices 1, 2 and 3 to R.E.3.
  • The footnote to paragraph 4.4.1. now says “distinguishing numbers” and gives a new web address.
Why
  • The proposal updates references to the three-dimensional “H” point measurement and calibration procedure, which will then be moved from R.E.3 to Mutual Resolution No. 1.
  • The specifications of the 3-D “H”-point machine were updated and transferred from R.E.3 to M.R.1.
  • A calibration procedure was also added, to make sure that the 3-D “H”-point machine gives consistent test results among all Regulations.

Q1What changed2 changes

Annex 3 footnote: procedure now in M.R.1

The Annex 3 footnote now says that the procedure is described in Addendum 6 of Mutual Resolution No. 1 (M.R.1), document ECE/TRANS/WP.29/1101/Amend.5. Before this supplement, the footnote referred to Annex 1 and its Appendices 1, 2 and 3 to R.E.3, document ECE/TRANS/WP.29/78/Rev.7. The footnote also gives a new web address.

The procedure is described in Annex 1 and its Appendices 1, 2 and 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3) (document ECE/TRANS/WP.29/78/Rev.7 - https://unece.org/transport/standards/transport/vehicle-regulations-wp29/resolutionsThe procedure is described in Addendum 6 of Mutual Resolution No. 1 (M.R.1) (document ECE/TRANS/WP.29/1101/Amend.5); see https://unece.org/transport/vehicle-regulations/wp29/resolutions

Footnote on distinguishing numbers (para. 4.4.1.)

The footnote to paragraph 4.4.1. now says “distinguishing numbers” instead of “distinguish numbers”. After the document symbol ECE/TRANS/WP.29/78/Rev. 7, it now also names “Annex 3”. The footnote also gives a new web address.

The distinguish 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.7. ECE/TRANS/WP.29/78/Rev. 7, Annex 3 - https://unece.org/transport/standards/transport/vehicle-regulations-wp29/resolutionsunece.org/transport/vehicle-regulations/wp29/resolutions
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Q2Why it changed

Proposed by
Expert from the Netherlands
Working party
GRSP, 75th session (May 2024)

Reasons

  • The proposal updates references to the three-dimensional “H” point measurement and calibration procedure, which will then be moved from R.E.3 to Mutual Resolution No. 1.

    Source
    “that updates the references to the three-dimensional "H" point measurement and calibration procedure, which will then be moved from the Consolidated Resolution on the Construction of Vehicles (R.E.3) to Mutual Resolution No. 1.”
  • The specifications of the 3-D “H”-point machine were updated and transferred from R.E.3 to M.R.1.

    Source
    “The specifications of the three-dimensional "H" (3-D "H")-point machine have been updated and transferred from R.E.3. to M.R.1.”
  • A calibration procedure was also added. Its purpose is to make sure that the 3-D “H”-point machine used for all testing in UN Regulations and UN Global Technical Regulations is consistent. It is also to make sure that the machine gives consistent test results among all Regulations.

    Source
    “Also, a calibration procedure was added, assuring that the 3-D "H"-point machine used for all testing in UN Regulations and UN Global Technical Regulations is consistent and gives consistent test results among all Regulations.”

Document trail

  1. 2024-03ProposalECE/TRANS/WP.29/GRSP/2024/7Collective proposal by the expert from the Netherlands
  2. —RevisedGRSP-75-21Amended proposal that supersedes ECE/TRANS/WP.29/GRSP/2024/7
  3. —Working party adoptsECE/TRANS/WP.29/GRSP/75Session report, para. 30
  4. 2024-08Sent to WP.29ECE/TRANS/WP.29/2024/142Text that GRSP sent to WP.29 and AC.1
  5. 2024-11WP.29 adoptsECE/TRANS/WP.29/1181Adopted at the 194th session (session report, para. 158)
  6. 2025-06-12In forceC.N.336.2025.TREATIES-XI.B.16.145UN depositary notification

Q3Who is affected

Vehicle manufacturer

  • For Annex 3, use the procedure described in Addendum 6 of M.R.1 (document ECE/TRANS/WP.29/1101/Amend.5).

Component supplier

  • No direct action for this role.

Technical service / Approval authority

  • For Annex 3, be ready to apply the procedure described in Addendum 6 of M.R.1 (document ECE/TRANS/WP.29/1101/Amend.5).

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

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