Draft text pursuant to the 24th TyreGTR informal group session of 11 June 2019.

Proposal pursuant to discussions during the 24th TyreGTR session of 11 June 2019.

Proposal to align the provisions for retreaded tyres to be tested and marked with the three-peak-mountain snow-flake (3PMSF) symbol with the amendment proposals to UN R117 (document GRBP/2019/19).

Proposal from the group of interested experts to allow for the type approval of special-use tyres designed for severe snow conditions.

Proposal to update UN R0 in line with the restructuring of the UN lighting regulations and to introduce use of the UN on-line system for sharing information on acceptance of type approvals.

Proposal to clarify the text to affirm that responsibility for implementing the provisions of the 1958 Agreement remains with the approval authority no matter which organization may be assigned to carry out specific duties.

Proposal from the IWVTA informal group for amendments, including replacing a reference to the type approval number with the VIN, to the annex concerning “Specifications of the IWVTA DoC”.

Proposal to:

1. include the load variation with speed for IF and VF tyres in Table A of Annex 7
introduce a new paragraph (2.18.13) and amend paragraph 3.1.9.and Annex 3,part D to reconcile contradictions
2. clarify Annex 6 “Test method for measuring tyre dimensions” via references to other provisions
3. Correct example in Annex 3, part C by introducing the dimension “b” for the tyre size designation, and
4. Modify inflation pressure markings.

Proposal to align the provisions for retreaded tyres to be tested and marked with the three-peak-mountain snow-flake (3PMSF) symbol with the amendment proposals to UN R117 (document GRBP/2019/19).

Proposal for an amendment to complement the content of working document GRVA/2018/5. The proposal includes amendments to:

1. The Standard Reference Test Tyre (SRTT) denominations
2. Remove the discrimination between the two Class C3 tyres
3. Clarify that there are no C3 tyres in the scope of this UN Regulation “not marked with speed symbol”
4. Align Annex 6 with the most recent amendments made to standard ISO 28580
5. Define “standard deviation” as appropriate in the text
6. Clarify that, in the cases of C2 and C3 tyres, the “Reference (test) pressure” and the value “Pr” correspond to the indication of the inflation pressure which is always marked on the sidewall
7. Use “repeatability” in lieu of inaccurate “reproducibility”
8. Update test report forms
9. Include the date on which the new proposed supplement of UN Regulation No. 117 will apply
10. Improve the description of the evaluation of the rolling sound emission test
Correct the figure in Annex 2, Appendix 2, and
11. Update cross references pursuant to paragraph renumbering.

TyreGTR informal group draft highlighting amendments, including provisions for LT/C tyres.

Draft informal group amendments to the previously submitted Amendment 2 proposal (GRBP/2019/21).