Proposal to amend paragraph 1.1. to specify that UN R106 applies to new pneumatic tyres designed primarily for agricultural and forestry vehicles in categories T, R and S; amend paragraph 1.1. footnotes to include definitions; and amend paragraph 3.1.5.3. to address marking requirements for implement tyres for mixed applications of speed category symbol D or E where service descriptions for trailer and traction applications are equal.

Proposal to supersede the text for a Supplement 22 presented in document GRBP/2026/8.