Proposal to amend GTR including:

• Amendment to the scope
• Addition of new definitions (Section 2)
• Harmonization of the Load Range concept in relationship to Inflation Pressure (Section 2)
• Alignment of the provisions with the most recent developments in UN Regulations Nos. 30 and 54 (Sections 3.3 and 3.5, Annexes 3 and 6)
• Harmonization with FMVSS 139 requirements relative to UN Regulation No. 54 “PSI” index (Sections 3.7 and 3.8)
• Addition of new harmonized provisions for physical dimensions of LT/C tyres (new Section 3.5.2; old Sections 3.20 & 3.21 deleted)
• Addition of new harmonized provisions for high speed test for LT/C tyres (new Section 3.6.2.2, old Section 3.16 modified with endurance test only and renumbered 3.9, old Section 3.19 deleted)