Revised proposal (superseding GRSP-63-24) to clarify the possibility to install side-facing seats in buses of category M₂ and M₃ of classes A and I.

Proposal to clarify the application of GTR 7 Phase 2 static alternative provisions and to modify the allowed range of tolerances under the backset retention and energy dissipations test.

Proposal transposing the provisions of the draft GTR 7-Amendment 1 (aka Phase 2) into UN R17. Phase 2 addresses a new measurement procedure for the effective height of the head restraint and introduction of the Biofidelic Rear Impact Device (BioRID).