RegVault

UN R44 Supplement 19 (04 series) · UNECE Regulation No. 44 (ECE R44) — Uniform provisions concerning the approval of restraining devices for child occupants of power-driven vehicles ("Child Restraint Systems").

UN R44 — Supplement 19 to the 04 series of amendments

Supplement 18 → 19

Adopted at the WP.29 196th sessionEntry into force 2026-01-11
What changed
  • From 1 September 2026, Contracting Parties applying R44 need not accept its approvals of vehicle specific “built-in” child restraint systems first issued after that date.
  • Contracting Parties applying R44 must continue to accept its 04 series approvals of these “built-in” systems first issued before 1 September 2026.
Why
  • UN Regulation No. 170 (buses and coaches) and UN Regulation No. 129 (M1 vehicles) already define the approval requirements for built-in child restraint systems.
  • For this reason, the proposal says that the possibility to approve built-in systems under UN Regulation No. 44 must end.

Q1What changed2 changes

Acceptance of approvals of “built-in” child restraint systems (paras. 17.26. and 17.27.)

New paragraphs 17.26. and 17.27. apply to type approvals of vehicle specific “built-in” child restraint systems under this Regulation. From 1 September 2026, Contracting Parties applying this Regulation are not obliged to accept these approvals if they are first issued after 1 September 2026. Contracting Parties applying this Regulation must continue to accept these approvals issued according to the 04 series and first issued before 1 September 2026. Paragraph 17.25. also requires Contracting Parties applying this Regulation to continue to accept approvals of these systems issued according to the 04 series.

As from 1 September 2026, Contracting Parties applying this Regulation shall not be obliged to accept type approvals issued for vehicle specific "built-in" or specific vehicle "built-in" child restraint systems according to this Regulation, first issued after 1 September 2026.
Contracting Parties applying this Regulation shall continue to accept type approvals for vehicle specific "built-in" or specific vehicle "built-in" child restraint systems issued according to the 04 series of amendments to this Regulation, first issued before 1 September 2026.
See every change side by side in Compare

Q2Why it changed

Proposed by
Informal Working Group on Safe Transport of Children in Buses
Working party
GRSP, 76th session (December 2024)

Reasons

  • UN Regulation No. 170 defines the approval requirements for built-in child restraint systems (CRS) in buses and coaches. UN Regulation No. 129 defines them for built-in CRS in M1 vehicles.

    Source
    “UN Regulation No. 170 defines the requirements for the approval of built-in Child Restraint Systems (CRS) in buses and coaches and UN Regulation No. 129 defines the requirements for the approval of built-in CRS in M1 vehicles.”
  • The proposal notes that built-in systems can still be approved under UN Regulation No. 44.

    Source
    “Built-in systems can still be approved according to UN Regulation No. 44.”
  • The requirements for built-in CRS are already defined in the new Regulations. For this reason, the proposal says that the possibility to approve built-in CRS under UN Regulation No. 44 must end.

    Source
    “As the requirements of built-in CRS are already defined in the new Regulations, the possibility to approve them according to UN Regulation No. 44 shall end.”

Document trail

  1. 2024-09ProposalECE/TRANS/WP.29/GRSP/2024/17Proposal by the Informal Working Group on Safe Transport of Children in Buses
  2. —RevisedGRSP-76-46Proposal that superseded ECE/TRANS/WP.29/GRSP/2024/17
  3. —Working party adoptsECE/TRANS/WP.29/GRSP/76Session report, para. 18
  4. 2025-04Sent to WP.29ECE/TRANS/WP.29/2025/50Text that GRSP sent to WP.29 and AC.1
  5. 2025-06WP.29 adoptsECE/TRANS/WP.29/1186Adopted at the 196th session (session report, para. 111)
  6. 2026-01-11In forceC.N.26.2026.TREATIES-XI.B.16.44UN depositary notification

Q3Who is affected

Vehicle manufacturer

  • List your 04 series approvals of vehicle specific “built-in” child restraint systems and the date each was first issued.
  • Ask each Contracting Party if it accepts this Regulation's approvals of built-in systems first issued after 1 September 2026.

Component supplier

  • Give the vehicle manufacturer the date of first issue of each 04 series approval of your built-in systems.
  • Include the 1 September 2026 date of paragraph 17.26. in your approval plans for new built-in systems.

Technical service / Approval authority

  • For each approval of a built-in child restraint system under this Regulation, check the date it was first issued.
  • Tell applicants that Contracting Parties need not accept this Regulation's approvals of built-in systems first issued after 1 September 2026.

See every change side by side

RegVault customers compare every version of UN regulations, read the consolidated text and download the PDF.

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

More UN R44 change reports

All UN R44 change reports