30. The expert from ETRTO proposed inserting new tyre sizes in Annex 5 of UN Regulation No. 54 (ECE/TRANS/WP.29/GRRF/2013/19). GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2014 sessions as draft Supplement 19 to UN Regulation No. 54.
31. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2013/26, proposing to correct the text of UN Regulation No. 54. GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2014 sessions as draft Corrigendum 6 to UN Regulation No. 54.
41. The expert from OICA introduced GRRF-75-20 proposing a first draft for a new UN Regulation on tyre installation and requested guidance. The expert from EC proposed to extend the scope of the proposal to vehicle categories M, N and O to harmonize the proposal with the corresponding Commission Regulation No. 458/2011. He announced that the EC would consider applying this Regulation and replacing the corresponding Commission Regulation. The expert from the Russian Federation proposed to refer explicitly to UN Regulations Nos. 30, 54 and 117 in the draft. GRRF invited the experts to send comments to the OICA expert not later than 29 November 2013. GRRF agreed to resume consideration of this proposal at its next session on the basis of a revised document that the expert from OICA volunteered to prepare.
47. The Secretary, recalling the purpose of ECE/TRANS/WP.29/GRRF/2013/31, reported on the conclusion of the Chairs of GRs, during their meeting in June 2013, preferring to not amend all UN Regulations but, for example, to include provisions concerning the revision and extensions of type approvals into the Consolidated Resolution on the Construction of Vehicles (R.E.3). GRRF agreed to resume consideration of this proposal at its next session.