Proposal for amendment to Regulation No. 54
Document GRRF/2014/26
4 July 2014

Proposal to alter the marking requirements after November 2016 to replace the PSI Index by indicating the inflation pressure in kilopascals (“kPa”) and to add the possibility to put the “LT” marking as a prefix or suffix to align the requirements with current practice for C2 tyres with metric size designation

Submitted by ETRTO
Status: Superseded
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Previous Documents, Discussions, and Outcomes
7. (c) | UN Regulation No. 54

38. The expert from ETRTO also introduced ECE/TRANS/WP.29/GRRF/2015/27 as amended by GRRF-80-10 proposing to replace the “PSI index” by the pressure in “kPa”. The proposal received several comments e.g. on paragraph 3.1.10. and the use of “may” or “shall”. GRRF agreed to resume consideration of this proposal at its next session on the basis of a revised proposal that the expert from ETRTO volunteered to prepare.

7. (c) | Regulation No. 54

33. GRRF agreed to defer consideration of ECE/TRANS/WP.29/GRRF/2014/26 and GRRF‑78‑12 to its February 2015 session.

Related and Previous Documents
GRRF-78-12
GRRF/2015/27
Relates to UN R54 |