Document Number GRRF/2013/25
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Document title Proposal for amendments to Regulation No. 79
Date 5 Jul 2013

At the 74th GRRF session, CLCCR presented document GRRF-74-37 which noted that a design restriction in UN R79 prevents trailers from using energy from a towing vehicle. Following discussion, a number of delegates indicated their support for an amendment to remove this restriction and enable the use of new technologies.

Source(s) CLCCR
Status Superseded
Rulemaking area(s)
Meeting(s)
Related documents
GRRF-74-37 Concerns over the need to adapt UN R79 to technological progress (Superseded)
GRRF/2014/8 Proposal for amendments to Regulation No. 79 (Superseded)
GRRF/2015/8 Proposal for an amendment to Regulation No. 79 (Superseded)
GRRF/2015/43 Proposal for an amendment to Regulation No. 79 (Superseded)
GRRF/2016/20 Proposal for an amendment to Regulation No. 79 (Superseded)
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Excerpts from session reports related to this document
GRRF | Session 75 | 17-19 Sep 2013

37. On behalf of CLCCR, the expert from CLEPA proposed amendments to UN Regulation No. 79 (ECE/TRANS/WP.29/GRRF/2013/25) inserting new requirements for trailers with a steering control system utilising electrical energy from the towing vehicle. The proposal received some comments (GRRF-75-11). The expert from Japan noted the absence of a definition for “IP54”. GRRF agreed to resume consideration of this subject at its next session on the basis of a revised proposal.