GAR | GRSG/2026/22

GRSG/2026/22

UN R43: Proposal for a Supplement 13 to the 01 series of amendments

Source(s)

OICA

Date

29 Jan 2026

Status

Formal GR review

Subject

UN R43 Safety Glazing

Impact

01 series of amendments | Supplement 14

Meeting(s)

GRSG | Session 131 | 13-17 Apr

Agenda item 3. Amendments to safety glazing regulations

Proposal to align UN R43 with a proposed amendment to UN R125 (ECE/TRANS/WP.29/GRSG/2026/23), which resolves a longstanding inconsistency between the lower datum point definition (§5.1.1.3) and the obstruction requirement (§5.1.3) by harmonizing the lower datum point angle from 5° to 4°.

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Related documents

Excerpts from session reports

GRSG | Session 131 | 13-17 Apr

5. GRSG noted the proposal submitted by the expert from OICA (ECE/TRANS/WP.29/GRSG/2026/22) to harmonize the location of the lower datum point (5°) in paragraph 5.1.1.3 with the angle of obstruction requirement (4°) set out in paragraph 5.1.3. She also introduced document ECE/TRANS/WP.29/GRSG/2026/23 under agenda item 14(l), proposing a parallel amendment to UN Regulation No. 125 (Forward Field of Vision of Drivers). The expert from the Kingdom of the Netherlands considered that the proposal addressed an existing inconsistency but cautioned that it could introduce new ones, and therefore requested comprehensive feedback from all experts. Finally GRSG agreed to resume consideration on both proposals on the basis of revised proposals at its October 2026 session.