Proposal for a reference document concerning a general approach for how to handle measurement uncertainties under UN Regulations within the purview of GRBP.

Small group (France, Netherlands, ETRTO, BIPAVER) proposal to restructure retreaded tyre requirements and regulations.

Small group proposal to split retreaded tyre requirements into a new UN Regulation.

Proposal from a small group effort for uniform provisions concerning the approval of pre-cured tread materials which are used for producing retreaded tyres or the approval of retreaded tyres produced by using mould cure process with regard to their snow performance.