SOURCE-LINKED REGULATION GUIDE

UN R99 — Gas-discharge light sources

Assess light sources for approved lamps by category.

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What does it cover?

UN R99 governs gas-discharge light sources defined in its annex for use in approved vehicle lamps. Source categories distinguish standardised basic designs.

Who is it for?

Light-source and lamp manufacturers and product-approval teams.

Which subjects are addressed?

  • Gas-discharge source
  • Sources in the annex
  • Source categories
  • Use in approved lamps

Common question

What does a source category mean?

It distinguishes the different basic designs of standardised gas-discharge light sources.

Source documents and references

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