SOURCE-LINKED REGULATION GUIDE
UN R104 — Retro-reflective markings
Review the scope and approval requirements for retro-reflective marking materials used on vehicles.
Explore the scopeWhat does it cover?
UN R104 deals with retro-reflective markings for vehicle categories M2, M3, N, O2, O3 and O4. It defines material samples and identifying marks and covers general and specific technical characteristics, marking, approval and conformity of production. Material approval and assessment of how markings are fitted to a vehicle should be kept distinct.
Who is it for?
Retro-reflective material manufacturers, body builders and vehicle lighting or marking teams.
Which subjects are addressed?
- Retro-reflective marking materials
- Sample and marking definitions
- General and specific characteristics
- Conformity of production
Common question
Which markings does the regulation address?
It concerns retro-reflective markings for the vehicle categories named in its scope. Its definitions also refer to R48; the relevant versions should be considered together.
Source documents and references
Work with this regulation in RegsUP.
Read the text with its edition and sources. Assess available comparisons, relevant dates and question-and-answer features against your work needs.
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