UN R149 Supplement 10 (00 series) · UNECE Regulation No. 149 (ECE R149) — Uniform provisions concerning the approval of road illumination devices (lamps) and systems for power-driven vehicles.
UN R149 — Supplement 10 to the 00 series of amendments
Supplement 9 → 10
- What changed
- The text that was paragraph 4.11.1. no longer has its own number, and paragraph 4.11.1.1. is now paragraph 4.11.1.
- Paragraph 5.3.1.4.4.2. now refers to paragraphs 4.11. and 4.11.4., not to paragraphs 4.11.1. and 4.11.4.
- Why
- GTB proposed to correct the wrong numbering of paragraph 4.11., which could lead to misunderstandings.
Q1What changed3 changes
Numbering in paragraph 4.11. (Testing of mechanical or electromechanical structures)
The text that starts “On headlamps or a system designed to provide alternately a driving-beam and a passing-beam” no longer has its own number 4.11.1. It is now part of paragraph 4.11. Paragraph 4.11.1.1., on robustness to 50,000 operations under normal conditions of use, is now paragraph 4.11.1.
Reference in paragraph 5.3.1.4.4.2. (Class C passing-beam at point 50 V)
In paragraph 5.3.1.4.4.2., the reference to paragraph 4.11.1. is now a reference to paragraph 4.11.
Q2Why it changed
- Proposed by
- Experts from the International Automotive Lighting and Light-Signalling Expert Group (GTB)
- Working party
- GRE, 92nd session (April 2025)
Reasons
GTB proposed to correct the wrong numbering of paragraph 4.11., because it could lead to misunderstandings.
Sources (2)
“Proposals A and B aim to correct the currently wrong numbering of paragraph 4.11. which could lead to misunderstandings.”
“The expert of GTB proposed correcting the numbering in paragraph 4.11.”
Paragraph 4.11.1. contained the explanation of the testing of electromechanical structures, which should also apply to sub-paragraphs 4.11.2., 4.11.3. and 4.11.4. For this reason, it was proposed that this explanation become part of the head paragraph 4.11.
Sources (2)
“The current paragraph 4.11.1 contains the explanation of the testing of electromechanical structures which should also apply to the sub-paragraphs 4.11.2., 4.11.3. and 4.11.4.”
“For this reason, such explanation is proposed to become part of the head paragraph 4.11.”
Document trail
- 2025-02ProposalECE/TRANS/WP.29/GRE/2025/8Official proposal by the experts from GTB
- —Working party adoptsECE/TRANS/WP.29/GRE/92Session report, para. 25
- 2025-08Sent to WP.29ECE/TRANS/WP.29/2025/118Text that GRE sent to WP.29 and AC.1
- 2025-11WP.29 adoptsECE/TRANS/WP.29/1188Adopted at the 197th session (session report, para. 110)
- 2026-06-04In forceC.N.231.2026.TREATIES-XI.B.16.149UN depositary notification
Q3Who is affected
Vehicle manufacturer
- No direct action for this role.
Component supplier
- Update references to paragraph 4.11.1.1. in your documents to paragraph 4.11.1.
Technical service / Approval authority
- No direct action for this role.
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ⓘ This report gives advice only. It is not legal or type-approval advice.
More UN R149 change reports
- 01 series — Supplement 8
- 01 series — Supplement 7
- 01 series — Supplement 6
- 01 series — Supplement 5
- 01 series — Supplement 4
- 01 series — Supplement 2
- 01 series — Supplement 1
- 01 series — Base text
- 00 series — Supplement 11
- 00 series — Supplement 9
- 00 series — Supplement 8
- 00 series — Supplement 7
- 00 series — Supplement 6
- 00 series — Supplement 5
- 00 series — Supplement 4
- 00 series — Supplement 3