Product imagesUN ECE R27
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RegsUP regulatory reference

UN ECE R27 — Advance-Warning Triangles · 05

Current store edition

Review advance-warning triangle requirements for your warning equipment assessment.

Total PDF pages: 51 One-off PDFUN ECE R27 · 05 · English PDF · 51 pages in total · 41 pages containing regulatory text.
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UN ECE R27

Put this regulation into context.

Review advance-warning triangle requirements for your warning equipment assessment.

Edition and file

UN ECE R27 · 05 · English PDF · 51 pages in total · 41 pages containing regulatory text.

What your purchase includes

A fixed English PDF edition, personalised with the buyer’s licence details. Delivery follows payment confirmation and order release. Future editions, platform membership and individual consulting are not included.

Approval and application context

The notes below help you assess the scope and conditions. The regulatory text and its exceptions govern your application.

Which level can I use for a new approval?

The general route for new R27 approvals for new vehicles closed on 15 November 2021. New R27 approvals may still be granted for replacement triangles intended for vehicles in use.

  • This limit applies 24 months after R150 entered into force. Use the R150 approval route for new vehicles.
  • The replacement exception is limited to triangles for fitting to vehicles in use.

Identify whether your application is for new vehicles or replacement triangles for vehicles in use.

What is the latest level, and how long can I use it?

The latest R27 level is the 05 series, effective from 15 October 2019. It remains available for replacement triangles and extensions of existing approvals.

  • The 05 series does not require a change to the approval number; a number starting with 04 does not by itself mean an outdated level.
  • Closure of the general new-approval route does not remove the replacement exception for vehicles in use.

Check the certificate together with the intended use. Follow R150 for new vehicles.

Must I update my existing approval?

The 05 series does not require renewal of every earlier R27 approval. Extensions and replacement triangles for vehicles in use remain permitted.

  • The replacement triangle must be intended for a vehicle in use.
  • Notify changes to the triangle type to the approving authority; it may require further testing.

Keep the certificate and notify product changes to the approval authority.

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