Proposal to clarify the requirements for non-original replacement exhaust silencing systems (NORESS).

Proposal to clarify that the maximum sound pressure requirement at the front plane at standstill condition in reverse shall be equal to the maximum level requirement in motion (defined by the QRTV task force as 75 dB(A) for both standstill and reverse driving).

Proposal to correct an omission and clarify the text of Annex 3: The positioning and order of the markings shall be as follows:….

Proposal from the Wet Grip on Worn Tyres informal group to standardize provisions for the water depth measurement and to reduce the track friction range requirements under the test procedures.

Proposal to clarify that wet adhesion provisions apply to C1, C2, and C3 tyres, correct ISO and internal references, clarify symbols “ARC” and “ARR” relationships to indoor drum test method, and clarify application to M+S marked tyres.

Proposal to clarify the text:

• clarify Annex 4 and exclude aluminum-alloy and magnesium-alloy wheels under test (b)
• clarify Annex 6 with regard to possible defects caused by the production process and not affecting the appearance of cracks during testing
• recommend under Annex 6 to identify cracks occurred as a result of the test by using penetrating paints
• clarify Annexes 7 and 8 with regard to air leakage.