Text prepared by the UN R55 informal group: Requirements on movable ball couplings, increased range of application of remote controls to couplings similar to C50-X and G50-X; couplings amendments; enable increased standard coupling characteristic values; and additional requirements for mountings.
17. The Chair from the Informal Group on the revision of Regulation No. 55 introduced GRRF-74-24, GRRF-74-25 and GRRF-74-26. GRRF noted the intention to bring forward two proposals and agreed on the proposed Terms of Reference and Rules of Procedures as reproduced in Annex V however, the Informal Group was invited to provide GRRF with further clarity of the scope of the second proposal for consideration. GRRF expected to consider the first proposal of the informal group on the basis of an official document at its next session in September 2013.
19. The Chair of the informal working group on Regulation No. 55 (Mechanical Couplings) introduced ECE/TRANS/WP.29/GRRF/2013/16 as amended by GRRF-75-21, proposing minor amendments to UN Regulation No. 55. GRRF noted that the reference to an ISO standard had been updated and requested information on the content of this standard. GRRF agreed to resume consideration of this proposal at its next session on the basis of a revised document.