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UN R16 Base text (10 series) · UNECE Regulation No. 16 (ECE R16) — Uniform Provisions Concerning the Approval of: Safety-Belts and Restraint Systems, for Occupants of Power-Driven Vehicles.

UN R16 — 10 series of amendments

Changes from 09 series of amendments

Adopted at the WP.29 194th sessionEntry into force 2025-06-12
What changed
  • UN Regulation No. 16 now applies only to safety-belts and restraint systems, and the vehicle requirements for installation and for safety-belt reminders are deleted.
  • From 1 September 2027, Contracting Parties applying this Regulation are not obliged to accept approvals to preceding series first issued after that date.
  • Applications for a safety-belt type and approval numbers now follow Schedules 3 and 4 of the Agreement (paragraphs 3.1. and 5.2.).
Why
  • During the GRSP session of May 2023, it was decided to split UN Regulation No. 16 into three UN Regulations.
  • The installation and reminder requirements moved to two new UN Regulations, so the new Introduction says that clear transitional provisions are important.
  • The expert from the Netherlands revised the text, with input from Japan, to bring it more in line with Rev. 3 of the 1958 Agreement.

Q1What changed728 changes

Scope limited to safety-belts and restraint systems (paras. 0. and 1.)

The scope in paragraph 1. now lists only safety-belts and restraint systems. The former scope items for vehicles are deleted. They covered the installation of safety-belts, restraint systems and child restraint systems, including ISOFIX and i-Size child restraint systems, and safety-belt reminders. Former paragraph 1.6. on safety-belts for side-facing seats in vehicles of category M3 becomes paragraph 1.2. A new Introduction (paragraph 0.) says that, at a GRSP session in May 2023, it was decided to split the Regulation into three UN Regulations. It also says that the installation and safety-belt reminder requirements were taken out and moved to two new UN Regulations.

Vehicles of category M, N, O, L2, L4, L5, L6, L7 and T), with regard to the installation of safety-belts and restraint systems which are intended for separate use, i.e. as individual fittings, by persons of adult build occupying forward-facing, rearward-facing and side-facing seats;
UN Regulation No. XXX consists of the specific requirements and approval process of safety-belts and restraint systems only. The requirements for the installation of safety-belts and restraint systems, child restraint systems, ISOFIX child restraint systems and i-Size child restraint systems and safety-belt reminders have been taken out and moved to two new UN Regulations. Therefore, it is important to define clear transitional provisions in this amendment, explaining the equivalence between approvals issued according to those two new Regulations and UN Regulation No. 16 as amended by the 09 series of amendments.
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Installation and reminder requirements deleted (para. 8., Annexes 16 to 18)

Paragraph 8. is now “Reserved”. Former paragraphs 8.1. to 8.4.6.4. are deleted. They covered the installation in the vehicle: safety-belt and restraint systems equipment, general requirements, special requirements for rigid parts, and safety-belt reminder equipment. Annexes 16, 17 and 18 are deleted, with the five appendices to Annex 17. They covered the belt and retractor types for installation, the installation of child restraint systems, and the safety-belt reminder tests.

Requirements concerning the installation in the vehicleReserved
Safety-belt reminder tests
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Vehicle type approval deleted (paras. 3., 5. and 9. to 12., Annexes 1A and 2)

The application for approval of a vehicle type with regard to the installation of its safety-belts and restraint systems is deleted (former paragraph 3.1.). The approval of a vehicle type and its vehicle approval mark are deleted (former paragraph 5.2.). Annex 1A, the communication form for a vehicle type, and the vehicle approval marks in Annex 2 are deleted. Paragraphs 9.1., 10.1., 11. and 11.1. now refer only to the safety-belt or restraint system and no longer to the vehicle or vehicle type. Former paragraph 11.2. on a vehicle variant with a lower mass in running order is deleted. Paragraphs 10.2., 11.3. and 12. now refer to the communication form in Annex 1 instead of Annex 1A or 1B.

Every vehicle type or safety-belt or restraint system approved under this Regulation shall be so manufactured as to conform to the type approved by meeting the requirements set forth in paragraphs 6., 6.and 7. and 8. above.
Every modification of the vehicle type or the belt or restraint system or both which affects its technical performance and/or documentation as required in this Regulation shall be notified to the Type Approval Authority which approved the vehicle type or safety-belt or restraint system type. The Authority may then either:
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Definitions reworded, renumbered or deleted (para. 2.)

Many definitions now give the defined term in quotation marks, followed by the word “means”. Former paragraphs 2.12. to 2.15. become paragraphs 2.10. to 2.13., and former paragraphs 2.17. to 2.28. become paragraphs 2.14. to 2.25. The definitions of “Child restraint” and “Rearward-facing” (former paragraphs 2.10. and 2.11.) and of the vehicle type (former paragraph 2.16.) are deleted. Former paragraphs 2.29. to 2.54. are deleted. They defined terms such as “ISOFIX”, “i-Size seating position”, “Safety-belt reminder” and “Lower tether”. Cross-references follow the new numbers, for example 2.14.6. becomes 2.12.6. in paragraphs 6.4.1.2.3. and 7.7.1. and in Annex 6.

"Retractor Device " means a device to accommodate part or the whole of the strap of a safety-belt.
In the case of a belt equipped with a belt adjustment device for height as defined in paragraph 2.14.62.12.6. of this Regulation, this device shall be secured either to a rigid frame, or to a part of the vehicle on which it is normally mounted which shall be securely fixed on the test trolley.
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Application and approval of a safety-belt type (paras. 3. to 5.)

Under paragraph 3.1., an application for approval of a safety-belt type now follows the procedure in Schedule 3 of the Agreement (E/ECE/TRANS/505/Rev.3). Under paragraph 5.1., approval of a type of belt or restraint system is granted if its samples meet the requirements of this Regulation. Before, the text named only a type of belt and the requirements of paragraphs 4., 5.3. and 6. Under paragraph 5.2., the approval number is now assigned in accordance with Schedule 4 of the Agreement. Paragraph 5.2. no longer explains the first two digits of the approval number. Former paragraphs 3.2.1. to 3.2.3. and 5.3.1. to 5.3.8. are renumbered, for example 3.2.2.2. becomes 3.2.2. and 5.3.4. becomes 5.4.

The application for approval of a type of safety-belt shall be submitted by the holder of the trade mark or by his duly accredited representative. in accordance with the procedure set out in Schedule 3 of the Agreement (E/ECE/TRANS/505/Rev.3). In the case of restraint systems, the application for approval of a type of restraint system shall be submitted by the holder of the trade mark or by his representative or by the manufacturer of the vehicle in which it is to be installed or by his representative.
An approval number shall be assigned to each type approved. Its first two digits (at present 07 corresponding to the 07 series of amendments) shall indicate the series of amendments incorporating the most recent major technical amendments made to the Regulation at the time of issue in accordance with Schedule 4 of the approval. The same Contracting Party may not assign the same number to another type of belt or restraint system.Agreement (E/ECE/TRANS/505/Rev.3).
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Transitional provisions for the 10 series (paras. 15.7. to 15.7.5.)

Contracting Parties applying this Regulation must not refuse to grant or accept approvals to the 10 series from its official date of entry into force. From 1 September 2027, they are not obliged to accept type approvals to the preceding series of amendments that were first issued after that date. They must continue to accept type-approvals of vehicles, safety-belts and restraint systems to preceding series first issued before 1 September 2027, under one condition. The condition is that the transitional provisions of that earlier series foresee this possibility. Contracting Parties whose application of this Regulation starts after the most recent series enters into force need not accept approvals to any preceding series. Under paragraphs 15.7.4. and 15.7.5., Contracting Parties applying this Regulation may grant approvals to preceding series and must continue to extend existing approvals to them.

As from 1 September 2027, Contracting Parties applying this Regulation shall not be obliged to accept type approvals issued according to the preceding series of amendments, first issued after 1 September 2027.
Contracting Parties applying this Regulation shall continue to accept type-approvals of vehicles, safety-belts, and restraint systems according to any of the preceding series of amendments, first issued before 1 September 2027, provided the transitional provisions in these respective previous series of amendments foresee this possibility.
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Communication form, approval mark examples and user instructions (Annexes 1, 2 and 9)

Former Annex 1B, the communication form for a type of safety-belt or restraint system, becomes Annex 1. In item 12.1., the A-zone figure is now Figure 1 instead of Figure 2, and a new line “A-zone” is added. In Annex 2, the examples of safety-belt approval marks now show approval numbers for the 10 series, for example 102439 instead of 092439. Before, the example texts said that the Regulation already incorporated the 06, 07, 08 or 09 series of amendments at the time of approval. Paragraph 2. of Annex 9, on the user instructions, is deleted, and former paragraphs 3. and 4. become paragraphs 2. and 3. Former paragraph 2. listed the points that the user instructions had to refer to, for example the importance of wearing the assembly on all journeys.

The belt bearing the above approval mark is a three-point belt ("A"), fitted with an energy absorber ("e") and approved in the Netherlands (E 4) under the number 092439102439, this Regulation already incorporating the 06, 07, 08 or 09 10 series of amendments at the time of approval.
Figure 21
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Q2Why it changed

Proposed by
Ad hoc Group on splitting UN Regulation No. 16 (Safety-belts)
Working party
GRSP, 75th session (May 2024)

Reasons

  • During the GRSP session held in May 2023, it was decided to split UN Regulation No. 16 into three UN Regulations. These cover safety-belts and restraint systems (components), safety-belt and child restraint system installation (vehicle), and safety-belt reminders (vehicle). The experts of the ad hoc group prepared the text, which separates belt components and restraint systems from the installation requirements and safety-belt reminders.

    Sources (3)
    “During the seventy-third session of the Working Party on Passive Safety (GRSP) held in May 2023, it was decided to split UN Regulation No. 16 into three UN Regulations:”
    “safety-belts and child restraint systems installation (vehicle)”
    “The text reproduced below was prepared by the experts of the Ad Hoc Group on splitting UN Regulation No. 16 into three new UN Regulations, separating safety-belt components and restraint systems from safety-belt installation requirements and safety-belt reminders.”
  • The installation requirements for safety-belts, restraint systems and child restraint systems, and the safety-belt reminder requirements, moved to two new UN Regulations. Therefore, the new Introduction says that clear transitional provisions are important in this amendment. These provisions are to explain the equivalence between approvals under the two new UN Regulations and under the 09 series of UN Regulation No. 16.

    Sources (2)
    “The requirements for the installation of safety-belts and restraint systems, child restraint systems, ISOFIX child restraint systems and i-Size child restraint systems and safety-belt reminders have been taken out and moved to two new UN Regulations.”
    “Therefore, it is important to define clear transitional provisions in this amendment, explaining the equivalence between approvals issued according to those two new Regulations and UN Regulation No. 16 as amended by the 09 series of amendments.”
  • Proposer's reason (informal document GRSP-75-25-Rev.1)

    The expert from the Netherlands prepared a revised text, based upon input received from Japan. Its aim was to bring the updated UN Regulation No. 16 more in line with Rev. 3 of the 1958 Agreement.

    Submitted by the expert from the Netherlands. Working party adoption: ECE/TRANS/WP.29/GRSP/75, para. 12.

    Source
    “The text reproduced below was prepared by the expert from the Netherlands based upon input received from Japan, with the aim to bring the updated UN Regulation 16 more in line with Rev. 3 of the 1958 Agreement.”

Document trail

  1. 2024-03ProposalECE/TRANS/WP.29/GRSP/2024/4Proposal by the Ad hoc Group on splitting UN Regulation No. 16
  2. —Amended in sessionGRSP-75-25-Rev.1Revised text by the expert from the Netherlands that supersedes working document GRSP/2024/4
  3. —Working party adoptsECE/TRANS/WP.29/GRSP/75Session report, para. 12 and Annex III
  4. 2024-08Sent to WP.29ECE/TRANS/WP.29/2024/118Text 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.293.2025.TREATIES-XI.B.16.16UN depositary notification

Q3Who is affected

Vehicle manufacturer

  • Check which of your vehicle approvals use the installation or safety-belt reminder requirements of former paragraph 8. This series deletes them.
  • Check the first issue date of your approvals to earlier series against 1 September 2027 (paragraph 15.7.2.).

Component supplier

  • Make sure that applications for a safety-belt type follow the procedure in Schedule 3 of the Agreement (paragraph 3.1.).
  • Compare the approval marks on your labels with the 10 series examples in Annex 2.
  • Review the instructions supplied with your safety-belts: paragraph 2. on user instructions is deleted from Annex 9.
  • Take paragraph 15.7.1. into account when you plan approvals to preceding series. From 1 September 2027, Contracting Parties applying this Regulation need not accept such approvals first issued after that date.
  • Update documents that quote old definition numbers, for example paragraph 2.14.6., which is now paragraph 2.12.6.

Technical service / Approval authority

  • Be ready to assess applications to the 10 series from its official date of entry into force (paragraph 15.7.).
  • Make sure that notices of approval use the form in Annex 1 (paragraph 5.3.). Annex 1A is deleted.
  • Check that approval numbers follow Schedule 4 of the Agreement (paragraph 5.2.).
  • Check which series of amendments each extension request for an existing approval refers to (paragraph 15.7.5.).

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

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