| 4. (b) |
UN Global Technical Regulations Nos. 4 (World-wide harmonized Heavy Duty Certification procedure (WHDC)), 5 (World-Wide harmonized Heavy duty On-Board Diagnostic systems (WWH-OBD)) and 10 (Off-Cycle Emissions (OCE))
35. The representative from OICA introduced GRPE-80-25 containing draft amendments to UN GTR No. 4, mainly correcting errors found in some formulas in the latest version of the text. GRPE welcomed the proposal and was looking forward to receiving a working document at the next session of GRPE in June 2020.
GRPE-80-25 | UN GTR 4 Proposal for corrigendum
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