| Document Title | UN R51: Proposal for corrections to the 03 series of amendments | ||||||||
| Reference Number | GRBP/2025/20 | ||||||||
| Date |
19 Jun 2025
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| Summary | 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). | ||||||||
| Source(s) | OICA | ||||||||
| Rulemaking Area(s) | UN R51 Vehicle Noise | ||||||||
| Proposal Status | Approved by GR | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| R51/R138-12-05 | Technical Background dLASEP Term | ||||||||
| GRBP-82-07 | UN R51: Proposal for a Supplement to 03 series of amendments | Approved by GR | supersede? | |||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| GAR server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| 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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