GRBP/2025/20
UN R51: Proposal for corrections to the 03 series of amendments
Source(s)
OICA
Date
19 Jun 2025
Status
Approved by GR
Subject
Meeting(s)

Proposal to replace references to UN GTR 21 by its type-approval equivalent UN R177, provide transitional provisions pursuant to amendments introduced in Supplements 10 and 11, and clarify calibration provisions and procedure for system check (cf: ISO 362).

Downloads
UNECE server
Related documents
GRBP-82-07
UN R51: Proposal for a Supplement to 03 series of amendments (Approved by GR)
GRBP-83-29
UN R51: Consolidation of proposals into Supplement 11
R51/R138-12-05
Technical Background dLASEP Term
Excerpts from session reports
GRBP | Session 82 | 3-5 Sep 2025

8. The expert from OICA also proposed clarifications and corrections for UN Regulation No. 51 (ECE/TRANS/WP.29/GRBP/2025/20 as amended by GRBP-82-07, GRBP-82-22, GRBP-82-23). GRBP adopted these proposals as part of draft Supplement 11 to the 03 series of amendments to UN Regulation No. 51 and agreed to freeze it for the time being, awaiting other amendment proposals before transmission to WP.29 and AC.1.

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